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TI-2023-10078 Aliases CVE-2023-24456GHSA-9963-gmh8-vvm6

Jenkins Keycloak Authentication Plugin 2.3.0 and earlier does not invalidate the previous session on login.

Priority MEDIUM 51CWE-384Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-384.

Summary

Jenkins Keycloak Authentication Plugin 2.3.0 and earlier does not invalidate the previous session on login.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01239 69th percentileScored 2026-11-07
Fix Fixed org.jenkins-ci.plugins:keycloak (Maven): 2.3.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
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 Keycloak Authentication Pluginup to 2.3.0—No fix listedCNA
—org.jenkins-ci.plugins:keycloak (Maven)before 2.3.12.3.1Patch availableGHSA-9963-gmh8-vvm6
  • Jenkins Keycloak Authentication Plugin VendorJenkins Affected up to 2.3.0 Fixed in — No fix listed CNA
  • org.jenkins-ci.plugins:keycloak (Maven) Vendor— Affected before 2.3.1 Fixed in 2.3.1 Patch available GHSA-9963-gmh8-vvm6

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jenkins:keycloak_authentication:*:*:*:*:*:jenkins:*:*up to 2.3.0VulnerableJenkins
  • cpe:2.3:a:jenkins:keycloak_authentication:*:*:*:*:*:jenkins:*:* Versions up to 2.3.0 Vulnerable ·Jenkins

Remediation

  • Fix · GHSA-9963-gmh8-vvm6 org.jenkins-ci.plugins:keycloak (Maven) Fixed in 2.3.1 Advisory →

Fixed in the same release

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

  • Release ·

    Jenkins Keycloak Authentication Plugin unspecified

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2023-10079 Cross-site request forgery in Jenkins Keycloak Authentication PluginPriority LOW 31

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-24456
  2. 2026-10-03 Alias added: GHSA-9963-gmh8-vvm6

References

  • TI-2023-10079 Cross-site request forgery in Jenkins Keycloak Authentication Plugin CVSS 3.1MEDIUM 6.5

Sources