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TI-2026-10631 Aliases CVE-2026-12382GHSA-45w6-c976-v24q

Aap-gateway: missing requestheaderstoremove allows mtls bypass via subject header spoofing

Priority MEDIUM 42CWE-290Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-290.

Summary

A flaw was found in the AAP Gateway Envoy proxy configuration. The non-mTLS route to EDA event streams does not remove the Subject HTTP header from client requests, despite the source code defining requestHeadersToRemove for this header. An unauthenticated remote attacker can inject a spoofed Subject header matching a legitimate client certificate DN to bypass mTLS authentication and inject arbitrary events into protected EDA event streams.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00464 40th percentileScored 2026-11-07
Fix Fixed Red Hat: 4 advisories

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
Red HatRed Hat Ansible Automation Platform 2.5 for RHEL 8—2.5.20260715-1.el8apPatch availableCNA
Red HatRed Hat Ansible Automation Platform 2.5 for RHEL 9—2.5.20260715-1.el9apPatch availableCNA
Red HatRed Hat Ansible Automation Platform 2.6 for RHEL 9—2.6.20260422-1.el9apPatch availableCNA
Red HatRed Hat Ansible Automation Platform 2.6—1777311120Patch availableCNA
Red HatRed Hat Ansible Automation Platform 2.7—1783919486Patch availableCNA
  • Red Hat Ansible Automation Platform 2.5 for RHEL 8 VendorRed Hat Affected — Fixed in 2.5.20260715-1.el8ap Patch available CNA
  • Red Hat Ansible Automation Platform 2.5 for RHEL 9 VendorRed Hat Affected — Fixed in 2.5.20260715-1.el9ap Patch available CNA
  • Red Hat Ansible Automation Platform 2.6 for RHEL 9 VendorRed Hat Affected — Fixed in 2.6.20260422-1.el9ap Patch available CNA
  • Red Hat Ansible Automation Platform 2.6 VendorRed Hat Affected — Fixed in 1777311120 Patch available CNA
  • Red Hat Ansible Automation Platform 2.7 VendorRed Hat Affected — Fixed in 1783919486 Patch available CNA

CPE names CNA · 12

CPEVersionsRoleVendor
cpe:/a:redhat:ansible_automation_platform:2.5::el82.5—Red Hat
cpe:/a:redhat:ansible_automation_platform:2.5::el92.5—Red Hat
cpe:/a:redhat:ansible_automation_platform_developer:2.5::el82.5—Red Hat
cpe:/a:redhat:ansible_automation_platform_developer:2.5::el92.5—Red Hat
cpe:/a:redhat:ansible_automation_platform_inside:2.5::el82.5—Red Hat
cpe:/a:redhat:ansible_automation_platform_inside:2.5::el92.5—Red Hat
cpe:/a:redhat:ansible_automation_platform:2.6::el102.6—Red Hat
cpe:/a:redhat:ansible_automation_platform:2.6::el92.6—Red Hat
cpe:/a:redhat:ansible_automation_platform_developer:2.6::el102.6—Red Hat
cpe:/a:redhat:ansible_automation_platform_developer:2.6::el92.6—Red Hat
  • cpe:/a:redhat:ansible_automation_platform:2.5::el8 Versions 2.5 — ·Red Hat
  • cpe:/a:redhat:ansible_automation_platform:2.5::el9 Versions 2.5 — ·Red Hat
  • cpe:/a:redhat:ansible_automation_platform_developer:2.5::el8 Versions 2.5 — ·Red Hat
  • cpe:/a:redhat:ansible_automation_platform_developer:2.5::el9 Versions 2.5 — ·Red Hat
  • cpe:/a:redhat:ansible_automation_platform_inside:2.5::el8 Versions 2.5 — ·Red Hat
  • cpe:/a:redhat:ansible_automation_platform_inside:2.5::el9 Versions 2.5 — ·Red Hat
  • cpe:/a:redhat:ansible_automation_platform:2.6::el10 Versions 2.6 — ·Red Hat
  • cpe:/a:redhat:ansible_automation_platform:2.6::el9 Versions 2.6 — ·Red Hat
  • cpe:/a:redhat:ansible_automation_platform_developer:2.6::el10 Versions 2.6 — ·Red Hat
  • cpe:/a:redhat:ansible_automation_platform_developer:2.6::el9 Versions 2.6 — ·Red Hat
Show 2 more CPE
CPEVersionsRoleVendor
cpe:/a:redhat:ansible_automation_platform_inside:2.6::el92.6—Red Hat
cpe:/a:redhat:ansible_automation_platform:2.7::el92.7—Red Hat
  • cpe:/a:redhat:ansible_automation_platform_inside:2.6::el9 Versions 2.6 — ·Red Hat
  • cpe:/a:redhat:ansible_automation_platform:2.7::el9 Versions 2.7 — ·Red Hat

Remediation

Red Hat 4 advisories

  • RHSA-2026:42142 Released 2026-07-20 · Red Hat rating Important
    Red Hat Ansible Automation Platform 2.7 Container Release Update
    • Red Hat Ansible Automation Platform 2.7 registry.redhat.io/ansible-automation-platform-27/gateway-rhel9, registry.redhat.io/ansible-automation-platform-27/hub-rhel9, registry.redhat.io/ansible-automation-platform-27/lightspeed-chatbot-rhel9 +3
  • RHSA-2026:42078 Released 2026-07-20 · Red Hat rating Important
    Red Hat Ansible Automation Platform 2.5 Product Security and Bug Fix Update
    • Red Hat Ansible Automation Platform 2.5 for RHEL 8 ansible-core-1:2.16.19-1.el8ap, ansible-test-1:2.16.19-1.el8ap, automation-controller-4.6.30-2.el8ap +24
    • Red Hat Ansible Automation Platform 2.5 for RHEL 9 ansible-core-1:2.16.19-1.el9ap, ansible-test-1:2.16.19-1.el9ap, automation-controller-4.6.30-2.el9ap +24
  • RHSA-2026:13545 Released 2026-05-04 · Red Hat rating Important
    Red Hat Ansible Automation Platform 2.6 Container Release Update
    • Red Hat Ansible Automation Platform 2.6 registry.redhat.io/ansible-automation-platform-26/ansible-dev-tools-rhel9, registry.redhat.io/ansible-automation-platform-26/controller-rhel9, registry.redhat.io/ansible-automation-platform-26/eda-controller-rhel9 +11
Show 1 more Red Hat advisories
  • RHSA-2026:13508 Released 2026-05-04 · Red Hat rating Important
    Red Hat Ansible Automation Platform 2.6 Product Security and Bug Fix Update
    • Red Hat Ansible Automation Platform 2.6 for RHEL 10 receptor-1.6.4-3.el10ap, receptorctl-1.6.4-3.el10ap
    • Red Hat Ansible Automation Platform 2.6 for RHEL 9 automation-controller-4.7.11-2.el9ap, automation-controller-cli-4.7.11-2.el9ap, automation-controller-server-4.7.11-2.el9ap +25

Fixed in the same release

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

  • Advisory ·

    Red Hat Ansible Automation Platform 2.5 for RHEL 8, Red Hat Ansible Automation Platform 2.5 for RHEL 9 and 3 more products — RHSA-2026:42142

    2 records Highest priority Priority MEDIUM 2 MEDIUM

    Other records, highest priority first

    • TI-2026-10860 Pulpcore: pulpcore: relative_path_validator bypass via directory traversal in filesystemexportPriority MEDIUM 41

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Ansible Automation Platform 2.5 for RHEL 8Fixed RHSA-2026:42078
Red Hat Ansible Automation Platform 2.5 for RHEL 9Fixed RHSA-2026:42078
Red Hat Ansible Automation Platform 2.6Fixed RHSA-2026:13545
Red Hat Ansible Automation Platform 2.6 for RHEL 9Fixed RHSA-2026:13508
Red Hat Ansible Automation Platform 2.7Fixed RHSA-2026:42142
Not affected: 6 products
  • Red Hat Ansible Automation Platform 2.5 for RHEL 8
  • Red Hat Ansible Automation Platform 2.5 for RHEL 9
  • Red Hat Ansible Automation Platform 2.6
  • Red Hat Ansible Automation Platform 2.6 for RHEL 10
  • Red Hat Ansible Automation Platform 2.6 for RHEL 9
  • Red Hat Ansible Automation Platform 2.7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-12382
  2. 2026-10-03 Alias added: GHSA-45w6-c976-v24q

References

  • TI-2019-15875 Protection mechanism failure in Jenkins Pipeline: Groovy Plugin KEVCVSS 3.1CRITICAL 9.9
  • TI-2019-15874 Protection mechanism failure in Jenkins Script Security Plugin KEVCVSS 3.1CRITICAL 9.9
  • TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-05363 Code injection in Elastic Kibana KEVCVSS 3.1CRITICAL 10.0
  • TI-2019-03949 Out-of-bounds write in ESXi and Horizon DaaS KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-16080 A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153… KEVCVSS 3.1CRITICAL 9.8
See all 7413 →

Sources