Medium severity4.3NVD Advisory· Published Mar 18, 2021· Updated Jun 17, 2026

CVE-2021-21626

Description

Jenkins Warnings Next Generation Plugin 8.4.4 and earlier does not perform a permission check in methods implementing form validation, allowing attackers with Item/Read permission but without Item/Workspace or Item/Configure permission to check whether attacker-specified file patterns match workspace contents.

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
io.jenkins.plugins:warnings-ngMaven	< 8.5.0	8.5.0

Affected products

ghsa-coords
pkg:maven/io.jenkins.plugins/warnings-ng
Range: < 8.5.0
Jenkins Project/Warnings Next Generation Plugincpe-rescue
Range: unspecified

Patches

Vulnerability mechanics

References

www.openwall.com/lists/oss-security/2021/03/18/5nvdThird Party AdvisoryWEB
github.com/advisories/GHSA-7j3x-xm4j-jfj7ghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2021-21626ghsaADVISORY
www.jenkins.io/security/advisory/2021-03-18/nvdVendor AdvisoryWEB

News mentions

Jenkins Security Advisory 2021-03-18
Jenkins Security Advisories · Mar 18, 2021

cvss	0.280
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000