What’s Vulnerable › Vulnerabilities

CVE-2026-14552: Incorrect Authorization in GitLab

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% 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 CE/EE affecting all versions from 17.0 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 with Guest access to read confidential epic content meant to be restricted by external authorization, due to incorrect authorization checks.

Affected products

• GitLab: from 17.0.0 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/604841
• https://hackerone.com/reports/3809364

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