CVE-2023-4700: Missing Authorization in GitLab

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-11-06 · updated 2026-06-17
Weakness: CWE-862

Description

An authorization issue affecting GitLab EE affecting all versions from 14.7 prior to 16.3.6, 16.4 prior to 16.4.2, and 16.5 prior to 16.5.1, allowed a user to run jobs in protected environments, bypassing any required approvals.

Affected products

GitLab: from 14.7.0 before 16.3.6; from 16.4.0 before 16.4.2; 16.5.0 — fixed in 16.3.6, 16.4.2

How to fix

Upgrade to a fixed version: GitLab 16.3.6, 16.4.2. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/gitlab/-/issues/421937
https://hackerone.com/reports/2129826
https://gitlab.com/gitlab-org/gitlab/-/issues/421937
https://hackerone.com/reports/2129826

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