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TI-2020-02105 Aliases CVE-2020-2228GHSA-qq38-mxpq-rrpj

Incorrect authorization in Jenkins Gitlab Authentication Plugin

Priority MEDIUM 41CWE-863Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-863.

Summary

Jenkins Gitlab Authentication Plugin 1.5 and earlier does not perform group authorization checks properly, resulting in a privilege escalation vulnerability.

Why it matters now

EPSS 0.01433 73rd percentileScored 2026-11-08
Fix Fixed org.jenkins-ci.plugins:gitlab-oauth (Maven): 1.6

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
JenkinsJenkins Gitlab Authentication Pluginup to 1.5—No fix listedCNA
—org.jenkins-ci.plugins:gitlab-oauth (Maven)before 1.61.6Patch availableGHSA-qq38-mxpq-rrpj
  • Jenkins Gitlab Authentication Plugin VendorJenkins Affected up to 1.5 Fixed in — No fix listed CNA
  • org.jenkins-ci.plugins:gitlab-oauth (Maven) Vendor— Affected before 1.6 Fixed in 1.6 Patch available GHSA-qq38-mxpq-rrpj

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jenkins:gitlab_authentication:*:*:*:*:*:jenkins:*:*up to 1.5VulnerableJenkins
  • cpe:2.3:a:jenkins:gitlab_authentication:*:*:*:*:*:jenkins:*:* Versions up to 1.5 Vulnerable ·Jenkins

Remediation

  • Fix · GHSA-qq38-mxpq-rrpj org.jenkins-ci.plugins:gitlab-oauth (Maven) Fixed in 1.6 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-2228
  2. 2026-10-03 Alias added: GHSA-qq38-mxpq-rrpj

References

Advisory 3

Other 1

  • TI-2022-10328 Insufficiently protected credentials in Jenkins GitLab Authentication Plugin CVSS 3.1MEDIUM 6.5
  • TI-2023-20320 Cross-site request forgery in Jenkins GitLab Authentication Plugin CVSS 3.1MEDIUM 5.4
  • TI-2022-08909 Open redirect in Jenkins GitLab Authentication Plugin CVSS 3.1MEDIUM 5.4

Sources

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