[ CVE-2021-22175 · Published 11 Jun 2021 ]
GitLab Server-Side Request Forgery (SSRF) Vulnerability
[ Why it matters ]Priority signals
- Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2026-02-18
- EPSS: 53% chance of exploitation in the next 30 days (higher than 99% of CVEs)
- Critical severity: CVSS 9.8
[ Description ]Official 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
CISA: GitLab contains a server-side request forgery (SSRF) vulnerability when requests to the internal network for webhooks are enabled.
[ Fixes ]Fixes and patches
CISA required action (US federal deadline 11 Mar 2026): Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ References ]References
- gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22175.jsonVendor Advisory
- gitlab.com/gitlab-org/gitlab/-/issues/294178ExploitIssue TrackingVendor Advisory
- hackerone.com/reports/1059596Permissions RequiredThird Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource