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TI-2026-58188 Aliases CVE-2026-84648GHSA-qgwr-f9q8-fxgq

Cross-site scripting in Jenkins

Priority MEDIUM 41CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 11 fixed, 1 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-79.

Summary

In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, the system log viewer does not escape log record metadata (source, level, and timestamp) resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers in control of agent processes.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00583 48th percentileScored 2026-11-07
Fix Partial Jenkins (Jenkins Project): 2.580, 2.568.3Red Hat: 11 advisoriesRed Hat: 11 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
JenkinsJenkins—2.580, 2.568.3Patch availableCNA
  • Jenkins VendorJenkins Affected — Fixed in 2.580, 2.568.3 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*before 2.568.3VulnerableJenkins
cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*before 2.580VulnerableJenkins
  • cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:* Versions before 2.568.3 Vulnerable ·Jenkins
  • cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:* Versions before 2.580 Vulnerable ·Jenkins

Remediation

  • Fix · CNA Jenkins (Jenkins Project) Fixed in 2.580, 2.568.3

Red Hat 11 advisories

  • RHSA-2026:88159 Released 2026-10-22 · Red Hat rating Critical
    Release of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.17 security update.
    • OpenShift Developer Tools and Services 4.17 registry.redhat.io/ocp-tools-4/jenkins-rhel9
  • RHSA-2026:88158 Released 2026-10-22 · Red Hat rating Critical
    Release of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.19 security update.
    • OpenShift Developer Tools and Services 4.19 registry.redhat.io/ocp-tools-4/jenkins-rhel9
  • RHSA-2026:88157 Released 2026-10-22 · Red Hat rating Critical
    Release of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.20 security update.
    • OpenShift Developer Tools and Services 4.20 registry.redhat.io/ocp-tools-4/jenkins-rhel9
Show 8 more Red Hat advisories
  • RHSA-2026:88156 Released 2026-10-22 · Red Hat rating Critical
    Release of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.16 security update.
    • OpenShift Developer Tools and Services 4.16 registry.redhat.io/ocp-tools-4/jenkins-rhel9
  • RHSA-2026:88155 Released 2026-10-22 · Red Hat rating Critical
    Release of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.21 security update.
    • OpenShift Developer Tools and Services 4.21 registry.redhat.io/ocp-tools-4/jenkins-rhel9
  • RHSA-2026:88154 Released 2026-10-22 · Red Hat rating Critical
    Release of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.22 security update.
    • OpenShift Developer Tools and Services 4.22 registry.redhat.io/ocp-tools-4/jenkins-rhel9
  • RHSA-2026:88153 Released 2026-10-22 · Red Hat rating Critical
    Release of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.18 security update.
    • OpenShift Developer Tools and Services 4.18 registry.redhat.io/ocp-tools-4/jenkins-rhel9
  • RHSA-2026:88151 Released 2026-10-22 · Red Hat rating Critical
    Release of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.14 security update.
    • OpenShift Developer Tools and Services 4.14 registry.redhat.io/ocp-tools-4/jenkins-rhel8
  • RHSA-2026:88152 Released 2026-10-22 · Red Hat rating Critical
    Release of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.12 security update.
    • OpenShift Developer Tools and Services 4.12 registry.redhat.io/ocp-tools-4/jenkins-rhel8
  • RHSA-2026:88149 Released 2026-10-22 · Red Hat rating Critical
    Release of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.13 security update.
    • OpenShift Developer Tools and Services 4.13 registry.redhat.io/ocp-tools-4/jenkins-rhel8
  • RHSA-2026:88150 Released 2026-10-22 · Red Hat rating Critical
    Release of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.15 security update.
    • OpenShift Developer Tools and Services 4.15 registry.redhat.io/ocp-tools-4/jenkins-rhel8

Fixed in the same release

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

  • Advisory ·

    Jenkins — Jenkins Security Advisory 2026-09-02

    13 records Highest priority Priority MEDIUM 4 MEDIUM, 9 LOW

    Other records, highest priority first

    • TI-2026-58187 Deserialization of untrusted data in JenkinsPriority MEDIUM 41
    • TI-2026-58185 Mass assignment in JenkinsPriority MEDIUM 41
    • TI-2026-58190 Deserialization of untrusted data in JenkinsPriority MEDIUM 40
    Show all 13 records → Advisory →

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
OpenShift Developer Tools and ServicesAffectedNo fix yet
OpenShift Developer Tools and Services 4.12Fixed RHSA-2026:88152
OpenShift Developer Tools and Services 4.13Fixed RHSA-2026:88149
OpenShift Developer Tools and Services 4.14Fixed RHSA-2026:88151
OpenShift Developer Tools and Services 4.15Fixed RHSA-2026:88150
OpenShift Developer Tools and Services 4.16Fixed RHSA-2026:88156
OpenShift Developer Tools and Services 4.17Fixed RHSA-2026:88159
OpenShift Developer Tools and Services 4.18Fixed RHSA-2026:88153
OpenShift Developer Tools and Services 4.19Fixed RHSA-2026:88158
OpenShift Developer Tools and Services 4.20Fixed RHSA-2026:88157
OpenShift Developer Tools and Services 4.21Fixed RHSA-2026:88155
OpenShift Developer Tools and Services 4.22Fixed RHSA-2026:88154
Not affected: 11 products
  • OpenShift Developer Tools and Services 4.12
  • OpenShift Developer Tools and Services 4.13
  • OpenShift Developer Tools and Services 4.14
  • OpenShift Developer Tools and Services 4.15
  • OpenShift Developer Tools and Services 4.16
  • OpenShift Developer Tools and Services 4.17
  • OpenShift Developer Tools and Services 4.18
  • OpenShift Developer Tools and Services 4.19
  • OpenShift Developer Tools and Services 4.20
  • OpenShift Developer Tools and Services 4.21
  • OpenShift Developer Tools and Services 4.22

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-84648
  2. 2026-10-03 Alias added: GHSA-qgwr-f9q8-fxgq
  3. 2026-10-23 Fix available: RHSA-2026:88149 · Red Hat
  4. 2026-10-23 Fix available: RHSA-2026:88152 · Red Hat
  5. 2026-10-23 Fix available: RHSA-2026:88150 · Red Hat
  6. 2026-10-23 Fix available: RHSA-2026:88156 · Red Hat
  7. 2026-10-23 Fix available: RHSA-2026:88153 · Red Hat
  8. 2026-10-23 Fix available: RHSA-2026:88154 · Red Hat
  9. 2026-10-23 Fix available: RHSA-2026:88157 · Red Hat
  10. 2026-10-23 Fix available: RHSA-2026:88155 · Red Hat
  11. 2026-10-23 Fix available: RHSA-2026:88151 · Red Hat
  12. 2026-10-23 Fix available: RHSA-2026:88158 · Red Hat
  13. 2026-10-23 Fix available: RHSA-2026:88159 · Red Hat
  14. 2026-10-23 Fix available: OpenShift Developer Tools and Services 4.12, OpenShift Developer Tools and Services 4.13, OpenShift Developer Tools and Services 4.14 +8 · Red Hat

References

Advisory 1

  • TI-2024-15885 Path traversal in Jenkins 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
  • TI-2017-14573 Jenkins versions 2.56 and earlier as well as 2.46.1 LTS and earlier are vulnerable to an… KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2015-04472 The Fingerprints pages in Jenkins before 1.638 and LTS before 1.625.2 might allow remote… KEVCVSS 3.1HIGH 7.5
  • TI-2016-07596 The remoting module in Jenkins before 2.32 and LTS before 2.19.3 allows remote attackers… CVSS 3.0CRITICAL 9.8
See all 293 →

Sources

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