What’s Vulnerable › Vulnerabilities

CVE-2026-81839: Incorrect Authorization in GitLab

• Severity: high (CVSS 7.7 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-863

Description

GitLab has remediated an issue in GitLab EE affecting all versions from 18.1 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 to execute arbitrary CI/CD pipelines in a transferred project with the new group's privileges due to improper cleanup of scheduled pipeline execution policy records.

Affected products

• GitLab: from 18.1.0 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/624150
• https://hackerone.com/reports/3925062

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