CVE-2024-6323: Improper Isolation or Compartmentalization in GitLab

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-06-27 · updated 2026-06-17
Weakness: CWE-863

Description

Improper authorization in global search in GitLab EE affecting all versions from 16.11 prior to 16.11.5 and 17.0 prior to 17.0.3 and 17.1 prior to 17.1.1 allows an attacker leak content of a private repository in a public project.

Affected products

GitLab: from 16.11.0 before 16.11.5; from 17.0.0 before 17.0.3; 17.1.0 — fixed in 16.11.5, 17.0.3

How to fix

Upgrade to a fixed version: GitLab 16.11.5, 17.0.3. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/gitlab/-/issues/457912
https://gitlab.com/gitlab-org/gitlab/-/issues/457912

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