What’s Vulnerable › Vulnerabilities

CVE-2023-6195: Server-Side Request Forgery (SSRF) in GitLab

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-01-31 · updated 2026-06-17
• Weakness: CWE-918

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.5 prior to 16.9.7, starting from 16.10 prior to 16.10.5, and starting from 16.11 prior to 16.11.2. GitLab was vulnerable to Server Side Request Forgery when an attacker uses a malicious URL in the markdown image value when importing a GitHub repository.

Affected products

• GitLab: from 15.5.0 before 16.9.7; from 16.10.0 before 16.10.5; from 16.11.0 before 16.11.2 — fixed in 16.10.5, 16.11.2, 16.9.7

How to fix

Upgrade to a fixed version: GitLab 16.10.5, 16.11.2, 16.9.7. Check the vendor advisory for mitigations.

References

• https://gitlab.com/gitlab-org/gitlab/-/issues/432276
• https://hackerone.com/reports/2249268

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