Session fixation in Jenkins Gitlab Authentication Plugin
Priority LOW 35CWE-384Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-384.
Summary
A session fixation vulnerability in Jenkins Gitlab Authentication Plugin 1.4 and earlier in GitLabSecurityRealm.java allows unauthorized attackers to impersonate another user if they can control the pre-authentication session.
Why it matters now
EPSS 0.01306 70th percentileScored 2026-11-07
Fix Fixed org.jenkins-ci.plugins:gitlab-oauth (Maven): 1.5
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Jenkins | Jenkins Gitlab Authentication Plugin | up to 1.4 | — | No fix listed | CNA |
| — | org.jenkins-ci.plugins:gitlab-oauth (Maven) | before 1.5 | 1.5 | Patch available | GHSA-682g-c99v-9r2g |
- Jenkins Gitlab Authentication Plugin VendorJenkins Affected up to 1.4 Fixed in — No fix listed CNA
- org.jenkins-ci.plugins:gitlab-oauth (Maven) Vendor— Affected before 1.5 Fixed in 1.5 Patch available GHSA-682g-c99v-9r2g
Remediation
- Fix · GHSA-682g-c99v-9r2g org.jenkins-ci.plugins:gitlab-oauth (Maven) Fixed in 1.5 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2019-10371
- 2026-10-03 Alias added: GHSA-682g-c99v-9r2g
References
More Jenkins Gitlab Oauth vulnerabilities
- TI-2019-07681 Open redirect in Jenkins Gitlab Authentication Plugin CVSS 3.1MEDIUM 6.1
Sources
- CVE-2019-10371 · CVE Program
- CVE-2019-10371 · NVD
- FIRST EPSS
- GHSA-682g-c99v-9r2g · GitHub Advisory Database · CC BY 4.0
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