Home / Vulnerabilities / CVE-2021-39935
MEDIUM SEVERITY
CVE-2021-39935 GitLab · Community and Enterprise Editions

GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF) Vulnerability

Technical Severity

CVSS v3.1 Metrics

MEDIUM
6.8 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Exploitation Likelihood

EPSS Prediction

53.46 %
Predictive Probability
Percentile Rank
97.9 th

Documented as more likely to be exploited than 97.9% of known CVEs.

Detection Date

Feb 03, 2026

Remediation Due

Feb 24, 2026

CISA Catalog Active

Threat Analysis

GitLab Community and Enterprise Editions contain a server-side request forgery vulnerability which could allow unauthorized external users to perform Server Side Requests via the CI Lint API.

Remediation Directive

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

External Intelligence