VULNERABILITY INTELLIGENCE

CVE-2021-39910

CVSS score2.6 LOW

EPSS probability0.99%

CISA KEVNot currently listed

Published2021-12-13

Last modified2026-06-17

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

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.6 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. GitLab was vulnerable to HTML Injection through the Swagger UI feature.

Weakness classification

nvd@nist.gov: CWE-79

Primary references

cve@gitlab.com — Vendor Advisory
cve@gitlab.com — Broken Link
cve@gitlab.com — Permissions Required, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Broken Link
af854a3a-2127-422b-91ae-364da2661108 — Permissions Required, Third Party Advisory