CVE-2021-39935 KEV
6.8
MEDIUM · CVSS 3.1 · EPSS 35.6% (pctl 98)
Patch first
On CISA KEV — known exploited in the wild, due 2026-02-24.
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
Scoring
| CVSS | 6.8 (MEDIUM, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N |
| EPSS | 35.65% — more likely to be exploited than 98% of all CVEs |
| Weakness | CWE-918 |
| On CISA KEV | yes — remediate by 2026-02-24 |
| Public exploit | none known |
| Published | 2021-12-13 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF) Vulnerability |
|---|---|
| Added | 2026-02-03 |
| Due | 2026-02-24 |
| Vendor / product | GitLab / Community and Enterprise Editions |
| Ransomware use | none reported |
Affected (1)
| Vendor | Product |
|---|---|
| gitlab | gitlab |
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39935.json
- https://gitlab.com/gitlab-org/gitlab/-/issues/346187
- https://hackerone.com/reports/1236965
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39935.json
- https://gitlab.com/gitlab-org/gitlab/-/issues/346187
- https://hackerone.com/reports/1236965
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-39935
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