Medium severity5.4OSV Advisory· Published Jan 9, 2019· Updated Jun 17, 2026
CVE-2018-1000409
CVE-2018-1000409
Description
A session fixation vulnerability exists in Jenkins 2.145 and earlier, LTS 2.138.1 and earlier in core/src/main/java/hudson/security/HudsonPrivateSecurityRealm.java that prevented Jenkins from invalidating the existing session and creating a new one when a user signed up for a new user account.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.jenkins-ci.main:jenkins-coreMaven | < 2.138.2 | 2.138.2 |
org.jenkins-ci.main:jenkins-coreMaven | >= 2.140, < 2.146 | 2.146 |
Affected products
41.324-rc, 1.325-rc, 1.327-rc, …+ 2 more
- (no CPE)range: 1.324-rc, 1.325-rc, 1.327-rc, …
- cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*range: <=2.145
- cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*range: <=2.138.1
Patches
Vulnerability mechanics
References
5- www.securityfocus.com/bid/106532nvdThird Party AdvisoryVDB EntryWEB
- github.com/advisories/GHSA-rr6r-p7rw-369cghsaADVISORY
- jenkins.io/security/advisory/2018-10-10/nvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2018-1000409ghsaADVISORY
- github.com/jenkinsci/jenkins/commit/517da6ed389f0a606dd9bb8595bc79fc93f4331cghsaWEB
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