Jenkins 2.575 and earlier, LTS 2.568.1 and earlier handles case-insensitivity in user names and group names inconsistently, allowing attackers able to create new users or groups with names that case-insensitively match other characters to impersonate other users or be granted their permissions in some circumstances.
Fix
Patch, vendor advisory and mitigation references on NVD 1
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 6.5 · jenkinsNVD modified 2026-10-23 21:10
Affected (CPE criteria) 2
cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*