CVE-2021-39935

HighCVSS 7.5/10Known exploited (CISA KEV)Last modified Jun 17, 2026

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

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-918

Affected software

VendorProductVersions
GitLabGitLab>=10.5, <14.3.6; >=14.4, <14.4.4; >=14.5, <14.5.2

References

Timeline

Published
Dec 13, 2021
Last modified
Jun 17, 2026
Added to CISA KEV
Feb 3, 2026
NVD status
Analyzed

Related CVEs from 2021

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