CVE-2026-4868 HIGH

CVE-2026-4868: Authorization Bypass Through User-Controlled Key in GitLab

Vendor Gitlab
Product GitLab
Weakness CWE-639 · IDOR
Published May 27, 2026
Last update May 28, 2026
View on NVD All CVEs

CVSS base score

8.2/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N

What the vulnerability does

01Description

GitLab has remediated an issue in GitLab EE affecting all versions from 18.8 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that, under certain conditions, could have allowed an authenticated user to cause specific Duo AI workflows to run under another user's identity due to improper user identity resolution when triggering Duo AI workflow runners.

Key dates

02Disclosure timeline

May 27, 2026 CVE published
May 28, 2026 Record updated

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04Related CVE

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