CVE-2026-7767: GitLab open redirect in Kubernetes proxy

CVE-2026-7767 · Severity: medium · CVSS 5.8 · Published 2026-10-13

GitLab is a web-based platform for version control and CI/CD that many organizations use to manage their code and deployments. A vulnerability in GitLab's Kubernetes integration could allow an authenticated user who controls a Kubernetes agent to redirect authentication tokens to an unintended server through an open redirect flaw, potentially exposing sensitive credentials to attackers.

Technologies: GitLab, GitLab CE, GitLab EE. Vendors: GitLab.

Quick answers

Is CVE-2026-7767 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-7767 being exploited in the wild.
How severe is CVE-2026-7767?
Medium severity, with a CVSS score of 5.8, published 13 October 2026.
Which products and versions are affected?
GitLab CE 13.11 to 19.2.7, 19.3.0 to 19.3.4, 19.4.0 to 19.4.1; GitLab EE 13.11 to 19.2.7, 19.3.0 to 19.3.4, 19.4.0 to 19.4.1.
Is there a fix for CVE-2026-7767?
Yes: fixed in GitLab CE/EE 19.2.8, 19.3.5, 19.4.2. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-7767 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2026-7767?
Check whether you run GitLab, GitLab CE or GitLab EE at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: GitLab CE/EE 19.2.8, 19.3.5, 19.4.2

Technical details

An open redirect vulnerability exists in GitLab's Kubernetes proxy due to improper redirect validation. An authenticated user controlling a Kubernetes agent can exploit this to redirect sensitive authentication tokens to an attacker-controlled server. The vulnerability affects multiple version lines and requires both authentication and control of a Kubernetes agent.

Affected products

  • GitLab GitLab CE 13.11 to 19.2.7, 19.3.0 to 19.3.4, 19.4.0 to 19.4.1
  • GitLab GitLab EE 13.11 to 19.2.7, 19.3.0 to 19.3.4, 19.4.0 to 19.4.1

Timeline

  • 2026-10-13: disclosed
  • 2026-10-12: patched

References

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