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TI-2026-38521 Aliases CVE-2026-53439GHSA-g28p-6mcc-v4rv

Missing authorization in Jenkins

Priority LOW 19CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
Partial Red Hat: 1 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-862.

Summary

Missing permission checks in Jenkins 2.567 and earlier, LTS 2.555.2 and earlier allow attackers with Overall/Read permission to determine other users' configured timezone and to enumerate view names of other users' "My Views".

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00225 13th percentileScored 2026-11-07
Fix Partial Jenkins (Jenkins Project): 2.568, 2.555.3org.jenkins-ci.main:jenkins-core (Maven): 2.555.3, 2.568Red Hat: 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
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
JenkinsJenkins—2.568, 2.555.3Patch availableCNA
—org.jenkins-ci.main:jenkins-core (Maven)before 2.555.32.555.3Patch availableGHSA-g28p-6mcc-v4rv
—org.jenkins-ci.main:jenkins-core (Maven)2.556 to before 2.5682.568Patch availableGHSA-g28p-6mcc-v4rv
  • Jenkins VendorJenkins Affected — Fixed in 2.568, 2.555.3 Patch available CNA
  • org.jenkins-ci.main:jenkins-core (Maven) Vendor— Affected before 2.555.3 Fixed in 2.555.3 Patch available GHSA-g28p-6mcc-v4rv
  • org.jenkins-ci.main:jenkins-core (Maven) Vendor— Affected 2.556 to before 2.568 Fixed in 2.568 Patch available GHSA-g28p-6mcc-v4rv

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*before 2.555.3VulnerableJenkins
cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*before 2.568VulnerableJenkins
  • cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:* Versions before 2.555.3 Vulnerable ·Jenkins
  • cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:* Versions before 2.568 Vulnerable ·Jenkins

Remediation

  • Fix · CNA Jenkins (Jenkins Project) Fixed in 2.568, 2.555.3
  • Fix · GHSA-g28p-6mcc-v4rv org.jenkins-ci.main:jenkins-core (Maven) Fixed in 2.555.3 Advisory →
  • Fix · GHSA-g28p-6mcc-v4rv org.jenkins-ci.main:jenkins-core (Maven) Fixed in 2.568 Advisory →

Fixed in the same release

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

  • Advisory ·

    Jenkins — Jenkins Security Advisory 2026-06-10

    8 records Highest priority Priority HIGH 1 HIGH, 7 LOW

    Other records, highest priority first

    • TI-2026-38517 Deserialization of untrusted data in JenkinsPriority HIGH 72
    • TI-2026-38523 Cross-site scripting in JenkinsPriority LOW 24
    • TI-2026-38524 Jenkins 2.567 and earlier, LTS 2.555.2 and earlier does not encrypt secrets from POST…Priority LOW 23
    Show all 8 records → Advisory →

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
OpenShift Developer Tools and ServicesAffectedNo fix yet: Fix deferred

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-53439
  2. 2026-10-03 Alias added: GHSA-g28p-6mcc-v4rv

References

Advisory 2

Other 3

  • 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