Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Jenkins core (org.jenkins-ci.main:jenkins-core) versions below 1.625.2, and from 1.626 up to but not including 1.638, are vulnerable. A remote attacker with administrator access can use another user's API token to gain privileges and run scripts. Upgrade to 1.625.2 for the LTS line or 1.638 for the weekly line.
Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| Not published | None | 4.0 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N | GitHub Advisory Database |
- CISA KEV Not listed.
- EPSS 0.015, the 74th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 15:11 UTC First seen by agentprime
- 31 Oct 2026, 15:11 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-x4m5-j4x4-4wjg
- OSV: GHSA-x4m5-j4x4-4wjg
- nvd.nist.gov/vuln/detail/CVE-2015-5323
- github.com/jenkinsci/jenkins/commit/b3f16489ad5f15c3e749ed066cf6b4251f6668c6
- access.redhat.com/errata/RHSA-2016:0070
- github.com/jenkinsci/jenkins
- wiki.jenkins-ci.org/display/SECURITY/Jenkins+Security+Advisory+2015-11-11
- rhn.redhat.com/errata/RHSA-2016-0489.html