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TI-2026-04175 Aliases CVE-2026-4786GHSA-cccx-m78h-m3xw

Incomplete mitigation of CVE-2026-4519, %action expansion for command injection to webbrowser.open()

Priority LOW 33CWE-77Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Active
Attack complexity
Low
Attack requirements
Present
Impact type
Code execution
Confidentiality · integrity · availability
High · High · None
Fix status
Partial Red Hat: 47 fixed, 1 without a fix

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-77.

Summary

Mitgation of CVE-2026-4519 was incomplete. If the URL contained "%action" the mitigation could be bypassed for certain browser types the "webbrowser.open()" API could have commands injected into the underlying shell. See CVE-2026-4519 for details.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0029 21st percentileScored 2026-11-07
Fix Partial CPython (Python Software Foundation): 3.10.21, 3.11.16, 3.12.14 +3Red Hat: 47 advisoriesRed Hat: 47 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Python Software FoundationCPythonbefore 3.10.21; 3.11.0 to before 3.11.16; 3.12.0 to before 3.12.14; 3.13.0 to before 3.13.14; 3.14.0a1 to before 3.14.5rc1; 3.15.0a1 to before 3.15.0b13.10.21, 3.11.16, 3.12.14, 3.13.14, 3.14.5rc1, 3.15.0b1Patch availableCNA
  • CPython VendorPython Software Foundation Affected before 3.10.21; 3.11.0 to before 3.11.16; 3.12.0 to before 3.12.14; 3.13.0 to before 3.13.14; 3.14.0a1 to before 3.14.5rc1; 3.15.0a1 to before 3.15.0b1 Fixed in 3.10.21, 3.11.16, 3.12.14, 3.13.14, 3.14.5rc1, 3.15.0b1 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*——python-pillow
  • cpe:2.3:a:python:python:*:*:*:*:*:*:*:* Versions — — ·python-pillow

Remediation

  • Fix · CNA CPython (Python Software Foundation) Fixed in 3.10.21, 3.11.16, 3.12.14, 3.13.14, 3.14.5rc1, 3.15.0b1

Red Hat 47 advisories

  • RHSA-2026:74674 Released 2026-10-01 · Red Hat rating Important
    Red Hat AI Base Images 3.4.3 (Neuron)
    • Red Hat OpenShift AI 3.4 registry.redhat.io/rhai/base-image-neuron-rhel9
  • RHSA-2026:35838 Released 2026-07-06 · Red Hat rating Important
    python3 security update
    • Red Hat Enterprise Linux Server (v. 7 ELS) python3-3.6.8-21.el7_9.6, python3-libs-3.6.8-21.el7_9.6, python3-libs-3.6.8-21.el7_9.6.ppc
    • Red Hat Enterprise Linux Server Optional (v. 7 ELS) python3-3.6.8-21.el7_9.6, python3-3.6.8-21.el7_9.6.ppc, python3-debug-3.6.8-21.el7_9.6 +9
  • RHSA-2026:30089 Released 2026-06-25 · Red Hat rating Critical
    Red Hat AI Inference Server 3.3.5 (CUDA)
    • Red Hat AI Inference Server 3.3 registry.redhat.io/rhaiis/vllm-cuda-rhel9
Show 44 more Red Hat advisories
  • RHSA-2026:30088 Released 2026-06-25 · Red Hat rating Critical
    Red Hat AI Inference Server 3.3.5 (ROCm)
    • Red Hat AI Inference Server 3.3 registry.redhat.io/rhaiis/vllm-rocm-rhel9
  • RHSA-2026:30087 Released 2026-06-25 · Red Hat rating Critical
    Red Hat AI Inference Server 3.3.5 (Spyre)
    • Red Hat AI Inference Server 3.3 registry.redhat.io/rhaiis/vllm-spyre-rhel9
  • RHSA-2026:30078 Released 2026-06-25 · Red Hat rating Important
    Red Hat AI Inference Server Model Optimization Tools 3.3.5 (CUDA)
    • Red Hat AI Inference Server 3.3 registry.redhat.io/rhaiis/model-opt-cuda-rhel9
  • RHSA-2026:28581 Released 2026-06-24 · Red Hat rating Important
    python3.14 security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 10) python3.14-3.14.5-1.el10_2, python3.14-devel-3.14.5-1.el10_2, python3.14-libs-3.14.5-1.el10_2 +1
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) python3.14-debug-3.14.5-1.el10_2, python3.14-freethreading-3.14.5-1.el10_2, python3.14-freethreading-debug-3.14.5-1.el10_2 +7
  • RHSA-2026:28247 Released 2026-06-23 · Red Hat rating Important
    python3.14 security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 9) python3.14-3.14.5-1.el9_8, python3.14-devel-3.14.5-1.el9_8, python3.14-libs-3.14.5-1.el9_8 +1
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) python3.14-3.14.5-1.el9_8, python3.14-debug-3.14.5-1.el9_8, python3.14-freethreading-3.14.5-1.el9_8 +9
  • RHSA-2026:26187 Released 2026-06-16 · Red Hat rating Important
    python3.11 security update
    • Red Hat Enterprise Linux AppStream E4S (v.8.8) python3.11-3.11.2-2.el8_8.10, python3.11-devel-3.11.2-2.el8_8.10, python3.11-libs-3.11.2-2.el8_8.10 +2
    • Red Hat Enterprise Linux AppStream TUS (v.8.8) python3.11-3.11.2-2.el8_8.10, python3.11-devel-3.11.2-2.el8_8.10, python3.11-libs-3.11.2-2.el8_8.10 +2
  • RHSA-2026:25096 Released 2026-06-10 · Red Hat rating Important
    Red Hat AI Inference Server Model Optimization Tools 3.2.2 (cuda)
    • Red Hat AI Inference Server 3.2 registry.redhat.io/rhaiis/model-opt-cuda-rhel9
  • RHSA-2026:22144 Released 2026-06-01 · Red Hat rating Important
    python security update
    • Red Hat Enterprise Linux Server -EXTENSION(v. 6 ELS-EXTENSION) python-2.6.6-70.el6_10.4, python-devel-2.6.6-70.el6_10.4, python-libs-2.6.6-70.el6_10.4 +1
    • Red Hat Enterprise Linux Server Optional -EXTENSION (v. 6 ELS -EXTENSION) python-test-2.6.6-70.el6_10.4, python-tools-2.6.6-70.el6_10.4, tkinter-2.6.6-70.el6_10.4
  • RHSA-2026:21682 Released 2026-05-28 · Red Hat rating Important
    python3.9 security update
    • Red Hat CodeReady Linux Builder EUS (v.9.4) python3-3.9.18-3.el9_4.13, python3-debug-3.9.18-3.el9_4.13, python3-idle-3.9.18-3.el9_4.13 +2
    • Red Hat Enterprise Linux AppStream EUS (v.9.4) python-unversioned-command-3.9.18-3.el9_4.13, python3-devel-3.9.18-3.el9_4.13, python3-tkinter-3.9.18-3.el9_4.13
    • Red Hat Enterprise Linux BaseOS EUS (v.9.4) python3-3.9.18-3.el9_4.13, python3-libs-3.9.18-3.el9_4.13, python3.9-3.9.18-3.el9_4.13
  • RHSA-2026:21275 Released 2026-05-27 · Red Hat rating Critical
    Red Hat Update Infrastructure 5.1 security update
    • Red Hat Update Infrastructure 5 registry.redhat.io/rhui5/cds-rhel9, registry.redhat.io/rhui5/haproxy-rhel9, registry.redhat.io/rhui5/installer-rhel9 +1
  • RHSA-2026:19589 Released 2026-05-20 · Red Hat rating Important
    python security update
    • Red Hat Enterprise Linux Server (v. 7 ELS) python-2.7.5-94.el7_9.5, python-devel-2.7.5-94.el7_9.5, python-libs-2.7.5-94.el7_9.5 +1
    • Red Hat Enterprise Linux Server Optional (v. 7 ELS) python-debug-2.7.5-94.el7_9.5, python-test-2.7.5-94.el7_9.5, python-tools-2.7.5-94.el7_9.5 +1
  • RHSA-2026:19590 Released 2026-05-20 · Red Hat rating Important
    python3 security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) platform-python-3.6.8-39.el8_4.11, platform-python-debug-3.6.8-39.el8_4.11, platform-python-devel-3.6.8-39.el8_4.11 +3
    • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) platform-python-3.6.8-39.el8_4.11, platform-python-debug-3.6.8-39.el8_4.11, platform-python-devel-3.6.8-39.el8_4.11 +3
    • Red Hat Enterprise Linux BaseOS AUS (v.8.4) platform-python-3.6.8-39.el8_4.11, python3-3.6.8-39.el8_4.11, python3-libs-3.6.8-39.el8_4.11 +1
    • Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) platform-python-3.6.8-39.el8_4.11, python3-3.6.8-39.el8_4.11, python3-libs-3.6.8-39.el8_4.11 +1
  • RHSA-2026:19576 Released 2026-05-20 · Red Hat rating Important
    python3.9 security update
    • Red Hat CodeReady Linux Builder EUS (v.9.6) python3-3.9.21-2.el9_6.6, python3-debug-3.9.21-2.el9_6.6, python3-idle-3.9.21-2.el9_6.6 +2
    • Red Hat Enterprise Linux AppStream EUS (v.9.6) python-unversioned-command-3.9.21-2.el9_6.6, python3-devel-3.9.21-2.el9_6.6, python3-tkinter-3.9.21-2.el9_6.6
    • Red Hat Enterprise Linux BaseOS EUS (v.9.6) python3-3.9.21-2.el9_6.6, python3-libs-3.9.21-2.el9_6.6, python3.9-3.9.21-2.el9_6.6
  • RHSA-2026:19570 Released 2026-05-20 · Red Hat rating Important
    python3.9 security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) python-unversioned-command-3.9.16-1.el9_2.14, python3-devel-3.9.16-1.el9_2.14, python3-tkinter-3.9.16-1.el9_2.14
    • Red Hat Enterprise Linux BaseOS E4S (v.9.2) python3-3.9.16-1.el9_2.14, python3-libs-3.9.16-1.el9_2.14, python3.9-3.9.16-1.el9_2.14
  • RHSA-2026:19571 Released 2026-05-20 · Red Hat rating Important
    python3.9 security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.0) python-unversioned-command-3.9.10-4.el9_0.11, python3-devel-3.9.10-4.el9_0.11, python3-tkinter-3.9.10-4.el9_0.11
    • Red Hat Enterprise Linux BaseOS E4S (v.9.0) python3-3.9.10-4.el9_0.11, python3-libs-3.9.10-4.el9_0.11, python3.9-3.9.10-4.el9_0.11
  • RHSA-2026:19549 Released 2026-05-20 · Red Hat rating Important
    python3 security update
    • Red Hat Enterprise Linux AppStream E4S (v.8.8) platform-python-3.6.8-51.el8_8.15, platform-python-debug-3.6.8-51.el8_8.15, platform-python-devel-3.6.8-51.el8_8.15 +3
    • Red Hat Enterprise Linux AppStream TUS (v.8.8) platform-python-3.6.8-51.el8_8.15, platform-python-debug-3.6.8-51.el8_8.15, platform-python-devel-3.6.8-51.el8_8.15 +3
    • Red Hat Enterprise Linux BaseOS E4S (v.8.8) platform-python-3.6.8-51.el8_8.15, python3-3.6.8-51.el8_8.15, python3-libs-3.6.8-51.el8_8.15 +1
    • Red Hat Enterprise Linux BaseOS TUS (v.8.8) platform-python-3.6.8-51.el8_8.15, python3-3.6.8-51.el8_8.15, python3-libs-3.6.8-51.el8_8.15 +1
  • RHSA-2026:19216 Released 2026-05-19 · Red Hat rating Important
    python3.9 security update
    • Red Hat Enterprise Linux AppStream (v. 9) python-unversioned-command-3.9.25-7.el9_8, python3-devel-3.9.25-7.el9_8, python3-tkinter-3.9.25-7.el9_8
    • Red Hat Enterprise Linux BaseOS (v. 9) python3-3.9.25-7.el9_8, python3-libs-3.9.25-7.el9_8, python3.9-3.9.25-7.el9_8
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) python3-3.9.25-7.el9_8, python3-debug-3.9.25-7.el9_8, python3-idle-3.9.25-7.el9_8 +2
  • RHSA-2026:19176 Released 2026-05-19 · Red Hat rating Important
    python3.14 security update
    • Red Hat Enterprise Linux AppStream (v. 9) python3.14-3.14.4-2.el9_8, python3.14-devel-3.14.4-2.el9_8, python3.14-libs-3.14.4-2.el9_8 +1
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) python3.14-3.14.4-2.el9_8, python3.14-debug-3.14.4-2.el9_8, python3.14-freethreading-3.14.4-2.el9_8 +9
  • RHSA-2026:19177 Released 2026-05-19 · Red Hat rating Important
    python3.12 security update
    • Red Hat Enterprise Linux AppStream (v. 9) python3.12-3.12.13-2.el9_8, python3.12-devel-3.12.13-2.el9_8, python3.12-libs-3.12.13-2.el9_8 +1
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) python3.12-3.12.13-2.el9_8, python3.12-debug-3.12.13-2.el9_8, python3.12-idle-3.12.13-2.el9_8 +2
  • RHSA-2026:19175 Released 2026-05-19 · Red Hat rating Important
    python3.11 security update
    • Red Hat Enterprise Linux AppStream (v. 9) python3.11-3.11.13-9.el9_8, python3.11-devel-3.11.13-9.el9_8, python3.11-libs-3.11.13-9.el9_8 +1
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) python3.11-3.11.13-9.el9_8, python3.11-debug-3.11.13-9.el9_8, python3.11-idle-3.11.13-9.el9_8 +2
  • RHSA-2026:19064 Released 2026-05-19 · Red Hat rating Important
    python3.12 security update
    • Red Hat Enterprise Linux AppStream (v. 10) python-unversioned-command-3.12.13-2.el10_2, python3-devel-3.12.13-2.el10_2, python3-tkinter-3.12.13-2.el10_2
    • Red Hat Enterprise Linux BaseOS (v. 10) python3-3.12.13-2.el10_2, python3-libs-3.12.13-2.el10_2, python3.12-3.12.13-2.el10_2
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) python3-debug-3.12.13-2.el10_2, python3-idle-3.12.13-2.el10_2, python3-test-3.12.13-2.el10_2
  • RHSA-2026:19019 Released 2026-05-19 · Red Hat rating Important
    python3.14 security update
    • Red Hat Enterprise Linux AppStream (v. 10) python3.14-3.14.4-2.el10_2, python3.14-devel-3.14.4-2.el10_2, python3.14-libs-3.14.4-2.el10_2 +1
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) python3.14-debug-3.14.4-2.el10_2, python3.14-freethreading-3.14.4-2.el10_2, python3.14-freethreading-debug-3.14.4-2.el10_2 +7
  • RHSA-2026:17619 Released 2026-05-14 · Red Hat rating Important
    python3 security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.6) platform-python-3.6.8-47.el8_6.13, platform-python-debug-3.6.8-47.el8_6.13, platform-python-devel-3.6.8-47.el8_6.13 +3
    • Red Hat Enterprise Linux AppStream E4S (v.8.6) platform-python-3.6.8-47.el8_6.13, platform-python-debug-3.6.8-47.el8_6.13, platform-python-devel-3.6.8-47.el8_6.13 +3
    • Red Hat Enterprise Linux AppStream TUS (v.8.6) platform-python-3.6.8-47.el8_6.13, platform-python-debug-3.6.8-47.el8_6.13, platform-python-devel-3.6.8-47.el8_6.13 +3
    • Red Hat Enterprise Linux BaseOS AUS (v.8.6) platform-python-3.6.8-47.el8_6.13, python3-3.6.8-47.el8_6.13, python3-libs-3.6.8-47.el8_6.13 +1
    • Red Hat Enterprise Linux BaseOS E4S (v.8.6) platform-python-3.6.8-47.el8_6.13, python3-3.6.8-47.el8_6.13, python3-libs-3.6.8-47.el8_6.13 +1
    • Red Hat Enterprise Linux BaseOS TUS (v.8.6) platform-python-3.6.8-47.el8_6.13, python3-3.6.8-47.el8_6.13, python3-libs-3.6.8-47.el8_6.13 +1
  • RHSA-2026:17525 Released 2026-05-14 · Red Hat rating Important
    python3.12 security update
    • Red Hat CodeReady Linux Builder EUS (v.9.4) python3.12-3.12.1-4.el9_4.13, python3.12-debug-3.12.1-4.el9_4.13, python3.12-idle-3.12.1-4.el9_4.13 +2
    • Red Hat Enterprise Linux AppStream EUS (v.9.4) python3.12-3.12.1-4.el9_4.13, python3.12-devel-3.12.1-4.el9_4.13, python3.12-libs-3.12.1-4.el9_4.13 +1
  • RHSA-2026:16699 Released 2026-05-13 · Red Hat rating Important
    python3.12 security update
    • Red Hat Enterprise Linux AppStream EUS (v. 10.0) python-unversioned-command-3.12.9-2.el10_0.9, python3-devel-3.12.9-2.el10_0.9, python3-tkinter-3.12.9-2.el10_0.9
    • Red Hat Enterprise Linux BaseOS EUS (v. 10.0) python3-3.12.9-2.el10_0.9, python3-libs-3.12.9-2.el10_0.9, python3.12-3.12.9-2.el10_0.9
    • Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) python3-debug-3.12.9-2.el10_0.9, python3-idle-3.12.9-2.el10_0.9, python3-test-3.12.9-2.el10_0.9
  • RHSA-2026:14656 Released 2026-05-07 · Red Hat rating Important
    python3.12 security update
    • Red Hat CodeReady Linux Builder EUS (v.9.6) python3.12-3.12.9-1.el9_6.8, python3.12-debug-3.12.9-1.el9_6.8, python3.12-idle-3.12.9-1.el9_6.8 +2
    • Red Hat Enterprise Linux AppStream EUS (v.9.6) python3.12-3.12.9-1.el9_6.8, python3.12-devel-3.12.9-1.el9_6.8, python3.12-libs-3.12.9-1.el9_6.8 +1
  • RHSA-2026:14652 Released 2026-05-07 · Red Hat rating Important
    python3.11 security update
    • Red Hat CodeReady Linux Builder EUS (v.9.6) python3.11-3.11.11-2.el9_6.7, python3.11-debug-3.11.11-2.el9_6.7, python3.11-idle-3.11.11-2.el9_6.7 +2
    • Red Hat Enterprise Linux AppStream EUS (v.9.6) python3.11-3.11.11-2.el9_6.7, python3.11-devel-3.11.11-2.el9_6.7, python3.11-libs-3.11.11-2.el9_6.7 +1
  • RHSA-2026:14653 Released 2026-05-07 · Red Hat rating Important
    python3.11 security update
    • Red Hat CodeReady Linux Builder EUS (v.9.4) python3.11-3.11.7-1.el9_4.13, python3.11-debug-3.11.7-1.el9_4.13, python3.11-idle-3.11.7-1.el9_4.13 +2
    • Red Hat Enterprise Linux AppStream EUS (v.9.4) python3.11-3.11.7-1.el9_4.13, python3.11-devel-3.11.7-1.el9_4.13, python3.11-libs-3.11.7-1.el9_4.13 +1
  • RHSA-2026:13812 Released 2026-05-05 · Red Hat rating Important
    updated RHEL-8 based Middleware Containers container images
    • Middleware Containers for OpenShift rhpam-7/rhpam-businesscentral-monitoring-rhel8, rhpam-7/rhpam-businesscentral-rhel8, rhpam-7/rhpam-controller-rhel8 +4
  • RHSA-2026:13692 Released 2026-05-05 · Red Hat rating Important
    python3.11 security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) python3.11-3.11.2-2.el9_2.12, python3.11-devel-3.11.2-2.el9_2.12, python3.11-libs-3.11.2-2.el9_2.12 +1
  • RHSA-2026:11768 Released 2026-04-29 · Red Hat rating Important
    Red Hat Update Infrastructure 5.2 Technology Preview security update
    • Red Hat Update Infrastructure 5 registry.redhat.io/rhui5/cds-kubernetes-tp-rhel9, registry.redhat.io/rhui5/installer-tp-rhel9, registry.redhat.io/rhui5/rhua-tp-rhel9
  • RHSA-2026:11077 Released 2026-04-27 · Red Hat rating Important
    python3 security update
    • Red Hat Enterprise Linux AppStream (v. 8) platform-python-3.6.8-76.el8_10, platform-python-debug-3.6.8-76.el8_10, platform-python-devel-3.6.8-76.el8_10 +3
    • Red Hat Enterprise Linux BaseOS (v. 8) platform-python-3.6.8-76.el8_10, python3-3.6.8-76.el8_10, python3-libs-3.6.8-76.el8_10 +1
  • RHSA-2026:11062 Released 2026-04-27 · Red Hat rating Important
    python3.11 security update
    • Red Hat Enterprise Linux AppStream (v. 8) python3.11-3.11.13-7.el8_10, python3.11-devel-3.11.13-7.el8_10, python3.11-libs-3.11.13-7.el8_10 +2
    • Red Hat Enterprise Linux CRB (v. 8) python3.11-3.11.13-7.el8_10, python3.11-debug-3.11.13-7.el8_10, python3.11-idle-3.11.13-7.el8_10 +2
  • RHSA-2026:10950 Released 2026-04-27 · Red Hat rating Important
    python3.12 security update
    • Red Hat Enterprise Linux AppStream (v. 8) python3.12-3.12.13-2.el8_10, python3.12-devel-3.12.13-2.el8_10, python3.12-libs-3.12.13-2.el8_10 +2
    • Red Hat Enterprise Linux CRB (v. 8) python3.12-3.12.13-2.el8_10, python3.12-debug-3.12.13-2.el8_10, python3.12-idle-3.12.13-2.el8_10 +2
  • RHSA-2026:10949 Released 2026-04-27 · Red Hat rating Important
    python3.9 security update
    • Red Hat Enterprise Linux AppStream (v. 9) python-unversioned-command-3.9.25-3.el9_7.3, python3-devel-3.9.25-3.el9_7.3, python3-tkinter-3.9.25-3.el9_7.3
    • Red Hat Enterprise Linux BaseOS (v. 9) python3-3.9.25-3.el9_7.3, python3-libs-3.9.25-3.el9_7.3, python3.9-3.9.25-3.el9_7.3
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) python3-3.9.25-3.el9_7.3, python3-debug-3.9.25-3.el9_7.3, python3-idle-3.9.25-3.el9_7.3 +2
  • RHSA-2026:10774 Released 2026-04-27 · Red Hat rating Important
    python3.11 security update
    • Red Hat Enterprise Linux AppStream (v. 9) python3.11-3.11.13-5.3.el9_7, python3.11-devel-3.11.13-5.3.el9_7, python3.11-libs-3.11.13-5.3.el9_7 +1
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) python3.11-3.11.13-5.3.el9_7, python3.11-debug-3.11.13-5.3.el9_7, python3.11-idle-3.11.13-5.3.el9_7 +2
  • RHSA-2026:10745 Released 2026-04-27 · Red Hat rating Important
    python3.12 security update
    • Red Hat Enterprise Linux AppStream (v. 9) python3.12-3.12.12-4.el9_7.3, python3.12-devel-3.12.12-4.el9_7.3, python3.12-libs-3.12.12-4.el9_7.3 +1
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) python3.12-3.12.12-4.el9_7.3, python3.12-debug-3.12.12-4.el9_7.3, python3.12-idle-3.12.12-4.el9_7.3 +2
  • RHSA-2026:10711 Released 2026-04-27 · Red Hat rating Important
    python3.12 security update
    • Red Hat Enterprise Linux AppStream (v. 10) python-unversioned-command-3.12.12-3.el10_1.3, python3-devel-3.12.12-3.el10_1.3, python3-tkinter-3.12.12-3.el10_1.3
    • Red Hat Enterprise Linux BaseOS (v. 10) python3-3.12.12-3.el10_1.3, python3-libs-3.12.12-3.el10_1.3, python3.12-3.12.12-3.el10_1.3
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) python3-debug-3.12.12-3.el10_1.3, python3-idle-3.12.12-3.el10_1.3, python3-test-3.12.12-3.el10_1.3
  • RHSA-2026:10141 Released 2026-04-23 · Red Hat rating Important
    Red Hat Enterprise Linux AI 3.3.1
    • Red Hat Enterprise Linux AI 3.3 registry.redhat.io/rhelai3/disk-image-cuda-rhel9
  • RHSA-2026:10140 Released 2026-04-23 · Red Hat rating Important
    Red Hat Enterprise Linux AI 3.3.1
    • Red Hat Enterprise Linux AI 3.3 registry.redhat.io/rhelai3/bootc-aws-cuda-rhel9, registry.redhat.io/rhelai3/bootc-azure-cuda-rhel9, registry.redhat.io/rhelai3/bootc-azure-rocm-rhel9 +3
  • RHSA-2026:10117 Released 2026-04-23 · Red Hat rating Important
    Red Hat Hardened Images RPMs Security Update
    • Red Hat Hardened Images python3.13-3.13.13-1.1.hum1@aarch64, python3.13-3.13.13-1.1.hum1@src, python3.13-3.13.13-1.1.hum1@x86_64 +16
  • RHSA-2026:9228 Released 2026-04-21 · Red Hat rating Important
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images python-unversioned-command-3.14.4-2.hum1@noarch@public-hummingbird-aarch64-rpms, python-unversioned-command-3.14.4-2.hum1@noarch@public-hummingbird-x86_64-rpms, python3-3.14.4-2.hum1@aarch64 +28
  • RHSA-2026:8824 Released 2026-04-17 · Red Hat rating Important
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images python3.12-3.12.13-3.hum1@aarch64, python3.12-3.12.13-3.hum1@src, python3.12-3.12.13-3.hum1@x86_64 +12
  • RHSA-2026:8822 Released 2026-04-17 · Red Hat rating Important
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images python3.11-3.11.15-4.hum1@aarch64, python3.11-3.11.15-4.hum1@src, python3.11-3.11.15-4.hum1@x86_64 +12

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Python Software Foundation CPython 3.10.21, 3.11.16 and 4 more versions

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2026-05344 Use-after-free in lzma.LZMADecompressor, bz2.BZ2Decompressor, and gzip.GzipFile after re-use under memory pressurePriority MEDIUM 42
    Show all 2 records →

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 8AffectedNo fix planned: Will not fix
Middleware Containers for OpenShiftFixed RHSA-2026:13812
Red Hat AI Inference Server 3.2Fixed RHSA-2026:25096
Red Hat AI Inference Server 3.3Fixed RHSA-2026:30078, RHSA-2026:30087, RHSA-2026:30088, RHSA-2026:30089
Red Hat CodeReady Linux Builder EUS (v.9.4)Fixed RHSA-2026:14653, RHSA-2026:17525, RHSA-2026:21682
Red Hat CodeReady Linux Builder EUS (v.9.6)Fixed RHSA-2026:14652, RHSA-2026:14656, RHSA-2026:19576
Red Hat Enterprise Linux AI 3.3Fixed RHSA-2026:10140, RHSA-2026:10141
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2026:10711, RHSA-2026:19019, RHSA-2026:19064, RHSA-2026:28581
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2026:10950, RHSA-2026:11062, RHSA-2026:11077
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2026:10745, RHSA-2026:10774, RHSA-2026:10949, RHSA-2026:19175, RHSA-2026:19176, RHSA-2026:19177, RHSA-2026:19216, RHSA-2026:28247
Red Hat Enterprise Linux AppStream AUS (v.8.4)Fixed RHSA-2026:19590
Red Hat Enterprise Linux AppStream AUS (v.8.6)Fixed RHSA-2026:17619
Red Hat Enterprise Linux AppStream E4S (v.8.6)Fixed RHSA-2026:17619
Red Hat Enterprise Linux AppStream E4S (v.8.8)Fixed RHSA-2026:19549, RHSA-2026:26187
Red Hat Enterprise Linux AppStream E4S (v.9.0)Fixed RHSA-2026:19571
Red Hat Enterprise Linux AppStream E4S (v.9.2)Fixed RHSA-2026:13692, RHSA-2026:19570
Red Hat Enterprise Linux AppStream EUS (v. 10.0)Fixed RHSA-2026:16699
Red Hat Enterprise Linux AppStream EUS (v.9.4)Fixed RHSA-2026:14653, RHSA-2026:17525, RHSA-2026:21682
Red Hat Enterprise Linux AppStream EUS (v.9.6)Fixed RHSA-2026:14652, RHSA-2026:14656, RHSA-2026:19576
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Fixed RHSA-2026:19590
Red Hat Enterprise Linux AppStream TUS (v.8.6)Fixed RHSA-2026:17619
Red Hat Enterprise Linux AppStream TUS (v.8.8)Fixed RHSA-2026:19549, RHSA-2026:26187
Red Hat Enterprise Linux BaseOS (v. 10)Fixed RHSA-2026:10711, RHSA-2026:19064
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2026:11077
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2026:10949, RHSA-2026:19216
Red Hat Enterprise Linux BaseOS AUS (v.8.4)Fixed RHSA-2026:19590
Red Hat Enterprise Linux BaseOS AUS (v.8.6)Fixed RHSA-2026:17619
Red Hat Enterprise Linux BaseOS E4S (v.8.6)Fixed RHSA-2026:17619
Red Hat Enterprise Linux BaseOS E4S (v.8.8)Fixed RHSA-2026:19549
Red Hat Enterprise Linux BaseOS E4S (v.9.0)Fixed RHSA-2026:19571
Red Hat Enterprise Linux BaseOS E4S (v.9.2)Fixed RHSA-2026:19570
Red Hat Enterprise Linux BaseOS EUS (v. 10.0)Fixed RHSA-2026:16699
Red Hat Enterprise Linux BaseOS EUS (v.9.4)Fixed RHSA-2026:21682
Red Hat Enterprise Linux BaseOS EUS (v.9.6)Fixed RHSA-2026:19576
Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)Fixed RHSA-2026:19590
Red Hat Enterprise Linux BaseOS TUS (v.8.6)Fixed RHSA-2026:17619
Red Hat Enterprise Linux BaseOS TUS (v.8.8)Fixed RHSA-2026:19549
Red Hat Enterprise Linux CRB (v. 8)Fixed RHSA-2026:10950, RHSA-2026:11062
Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)Fixed RHSA-2026:10711, RHSA-2026:19019, RHSA-2026:19064, RHSA-2026:28581
Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)Fixed RHSA-2026:10745, RHSA-2026:10774, RHSA-2026:10949, RHSA-2026:19175, RHSA-2026:19176, RHSA-2026:19177, RHSA-2026:19216, RHSA-2026:28247
Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)Fixed RHSA-2026:16699
Red Hat Enterprise Linux Server (v. 7 ELS)Fixed RHSA-2026:19589, RHSA-2026:35838
Red Hat Enterprise Linux Server -EXTENSION(v. 6 ELS-EXTENSION)Fixed RHSA-2026:22144
Red Hat Enterprise Linux Server Optional (v. 7 ELS)Fixed RHSA-2026:19589, RHSA-2026:35838
Red Hat Enterprise Linux Server Optional -EXTENSION (v. 6 ELS -EXTENSION)Fixed RHSA-2026:22144
Red Hat Hardened ImagesFixed RHSA-2026:10117, RHSA-2026:8822, RHSA-2026:8824, RHSA-2026:9228
Red Hat OpenShift AI 3.4Fixed RHSA-2026:74674
Red Hat Update Infrastructure 5Fixed RHSA-2026:11768, RHSA-2026:21275
Not affected: 2 products
  • Middleware Containers for OpenShift
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-4786
  2. 2026-10-03 Alias added: GHSA-cccx-m78h-m3xw

References

Patch 7

Advisory 1

Other 1

  • TI-2024-07037 Quadratic complexity parsing cookies with backslashes CVSS 3.1HIGH 7.5
  • TI-2024-11791 Bypass extraction filter to modify file metadata outside extraction directory CVSS 3.1MEDIUM 5.3
  • TI-2024-00411 Quoted zip-bomb protection for zipfile CVSS 3.1MEDIUM 6.2
  • TI-2026-13296 `HTTPPasswordMgr` can send saved HTTPS credentials via HTTP because of incorrect scheme matching CVSS 4.0MEDIUM 6.0
  • TI-2024-06422 Email header injection due to unquoted newlines CVSS 3.1MEDIUM 5.5
  • TI-2026-04606 Possible to hijack modules in current working directory CVSS 4.0MEDIUM 5.6
See all 83 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences