Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Script Security Plugin (Maven org.jenkins-ci.plugins:script-security) versions before 1.71 contain a sandbox bypass. An attacker who can submit and run sandboxed scripts can use crafted constructor calls or method calls on GroovyInterceptable objects to execute arbitrary code in the Jenkins controller JVM. Upgrade to version 1.71 or later.
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 |
|---|---|---|---|---|
| 8.8 | High | 3.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | GitHub Advisory Database |
- CISA KEV Not listed.
- EPSS 0.010, the 63rd percentile, on 13 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 15:10 UTC First seen by agentprime
- 31 Oct 2026, 15:10 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-qvhf-3567-pc4v
- OSV: GHSA-qvhf-3567-pc4v
- nvd.nist.gov/vuln/detail/CVE-2020-2135
- github.com/jenkinsci/script-security-plugin/commit/5b1969e0bdf5cde04a165b847144756b28495788
- github.com/jenkinsci/script-security-plugin
- jenkins.io/security/advisory/2020-03-09/#SECURITY-1754
- www.openwall.com/lists/oss-security/2020/03/09/1