CVE Database · CVE-2021-39935
CVSS v3.1
6.8
EPSS
30.50%
Published
Dec 13, 2021
Modified
Feb 4, 2026
CISA Known Exploited Vulnerability
Added: 2026-02-03 · Due: 2026-02-24
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Public PoC / Exploit (1)
All weaponized →Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
Description
An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.5 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. Unauthorized external users could perform Server Side Requests via the CI Lint API
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:NWeaknesses (CWE)
Affected Products (6)
References (7)