CVE-2021-21626

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-03-18 · updated 2026-06-17
Weakness: CWE-862

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.

Affected products

Jenkins project Jenkins Warnings Next Generation Plugin: through 8.4.4

References

http://www.openwall.com/lists/oss-security/2021/03/18/5
https://www.jenkins.io/security/advisory/2021-03-18/#SECURITY-2041
http://www.openwall.com/lists/oss-security/2021/03/18/5
https://www.jenkins.io/security/advisory/2021-03-18/#SECURITY-2041

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