What’s Vulnerable › Vulnerabilities

CVE-2026-7767: URL Redirection to Untrusted Site ('Open Redirect') in GitLab

• Severity: medium (CVSS 5.8 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: none known
• Published: 2026-10-13 · updated 2026-10-14
• Weakness: CWE-601

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.11 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user controlling a Kubernetes agent to cause sensitive authentication tokens to be sent to an unintended server due to improper redirect validation in the Kubernetes proxy.

Affected products

• GitLab: from 13.11.0 before 19.2.8; from 19.3.0 before 19.3.5; from 19.4.0 before 19.4.2 — fixed in 19.2.8, 19.3.5, 19.4.2

How to fix

Upgrade to a fixed version: GitLab 19.2.8, 19.3.5, 19.4.2. Check the vendor advisory for mitigations.

References

• https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/
• https://gitlab.com/gitlab-org/gitlab/-/work_items/598965
• https://hackerone.com/reports/3597095

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