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Jenkins Matrix Authorization Strategy Plugin: Unsafe deserialization allows invocation of parameterless constructors
Jenkins Matrix Authorization Strategy Plugin: Unsafe deserialization allows invocation of parameterless constructors
Affected packages
- org.jenkins-ci.plugins:matrix-auth— 2.0-beta-1 → 3.2.10
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://nvd.nist.gov/vuln/detail/CVE-2026-42521
- https://github.com/jenkinsci/matrix-auth-plugin
- https://www.jenkins.io/security/advisory/2026-04-29/#SECURITY-3676
Structured record: https://osv.dev/vulnerability/GHSA-jp9r-mmhw-vff3
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