CVE-2021-22175
Published 2021-06-11 · Updated 2026-10-01 · Source cve@gitlab.com
Summary
CVE-2021-22175 is a medium-severity (CVSS 6.8) vulnerability in GitLab GitLab. CISA added it to the Known Exploited Vulnerabilities catalog on February 18, 2026, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by March 11, 2026. CISA does not currently list it as used in ransomware campaigns. GitLab has 6 vulnerabilities in the KEV catalog, 1 of them linked to ransomware.
All 6 known-exploited GitLab vulnerabilities →Description
When requests to the internal network for webhooks are enabled, a server-side request forgery vulnerability in GitLab affecting all versions starting from 10.5 was possible to exploit for an unauthenticated attacker even on a GitLab instance where registration is disabled
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
CISA Known-Exploited Vulnerability
Product: GitLab — GitLab
Name: GitLab Server-Side Request Forgery (SSRF) Vulnerability
Date added: 2026-02-18 · Due: 2026-03-11
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22175.json
- https://gitlab.com/gitlab-org/gitlab/-/issues/294178
- https://hackerone.com/reports/1059596
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22175.json
- https://gitlab.com/gitlab-org/gitlab/-/issues/294178
- https://hackerone.com/reports/1059596
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22175

