A improper authentication vulnerability exists in Jenkins 2.137 and earlier, 2.121.2 and…
Priority LOW 26CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Partial Red Hat: 9 without a fix
Attack profile from CVSS 3.0 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-287.
Summary
A improper authentication vulnerability exists in Jenkins 2.137 and earlier, 2.121.2 and earlier in SecurityRealm.java, TokenBasedRememberMeServices2.java that allows attackers with a valid cookie to remain logged in even if that feature is disabled.
Why it matters now
EPSS 0.00874 59th percentileScored 2026-11-07
Fix Partial org.jenkins-ci.main:jenkins-core (Maven): 2.121.3, 2.138Red Hat: 9 without a fix
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | org.jenkins-ci.main:jenkins-core (Maven) | before 2.121.3 | 2.121.3 | Patch available | GHSA-q4cq-r7hg-pxqq |
| — | org.jenkins-ci.main:jenkins-core (Maven) | 2.122 to before 2.138 | 2.138 | Patch available | GHSA-q4cq-r7hg-pxqq |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- org.jenkins-ci.main:jenkins-core (Maven) Vendor— Affected before 2.121.3 Fixed in 2.121.3 Patch available GHSA-q4cq-r7hg-pxqq
- org.jenkins-ci.main:jenkins-core (Maven) Vendor— Affected 2.122 to before 2.138 Fixed in 2.138 Patch available GHSA-q4cq-r7hg-pxqq
Remediation
- Fix · GHSA-q4cq-r7hg-pxqq org.jenkins-ci.main:jenkins-core (Maven) Fixed in 2.121.3 Advisory →
- Fix · GHSA-q4cq-r7hg-pxqq org.jenkins-ci.main:jenkins-core (Maven) Fixed in 2.138 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat OpenShift Container Platform 3.10 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 3.2 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 3.3 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 3.4 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 3.5 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 3.6 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 3.7 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 3.9 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Enterprise 3.1 | Affected | No fix yet: Fix deferred |
Not affected: 1 product
- Red Hat OpenShift Container Platform 3.11
Timeline
- 2026-10-02 Threatist record created from CVE-2018-1999045
- 2026-10-03 Alias added: GHSA-q4cq-r7hg-pxqq
References
Advisory 2
More Jenkins vulnerabilities
- 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
Sources
- CVE-2018-1999045 · CVE Program
- CVE-2018-1999045 · NVD
- FIRST EPSS
- GHSA-q4cq-r7hg-pxqq · GitHub Advisory Database · CC BY 4.0
- CVE-2018-1999045 · Red Hat security data · CC BY 4.0
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