CVEs / CVE-2021-22175
CVE-2021-22175: GitLab Server-Side Request Forgery (SSRF) Vulnerability
- Known exploited in the CISA KEV catalog since 18 Feb 2026
- critical 9.8 CVSS 3.1 (NVD)
- EPSS 53.3% chance of exploitation in the next 30 days, higher than 98% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
GitLab contains a server-side request forgery (SSRF) vulnerability when requests to the internal network for webhooks are enabled.
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
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| GitLab GitLab | >=10.5, <13.6.7 | — |
| GitLab GitLab | >=13.7, <13.7.7 | — |
| GitLab GitLab | >=13.8, <13.8.4 | — |
Exploitation
| In CISA KEV since | 18 Feb 2026 |
|---|---|
| Due date for US federal agencies | 11 Mar 2026 |
| Used in ransomware campaigns | Unknown |
| 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. |
Severity
| CVSS 3.1 | 9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-918 |
References
- CVE-2021-22175 on NVD
- CVE-2021-22175 in the CISA KEV catalog
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22175.json (cited by CISA)
- CVE-2021-22175 on OSV
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22175.json Vendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/294178 Exploit, Issue Tracking, Vendor Advisory
- https://hackerone.com/reports/1059596 Permissions Required, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22175 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.