🔐 CVE Alert

CVE-2026-4868

HIGH 8.2

Authorization Bypass Through User-Controlled Key in GitLab

CVSS Score
8.2
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-639
Vendor gitlab
Product gitlab
Ecosystems
Industries
Technology
Published May 27, 2026
Last Updated May 28, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None

Affected Versions

GitLab / GitLab
18.8 < 18.10.7 18.11 < 18.11.4 19.0 < 19.0.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗
gitlab.com: https://gitlab.com/gitlab-org/gitlab/-/work_items/594809 hackerone.com: https://hackerone.com/reports/3619872 about.gitlab.com: https://about.gitlab.com/releases/2026/05/27/patch-release-gitlab-19-0-1-released/

Credits

Thanks [ahacker1](https://hackerone.com/ahacker1) for reporting this vulnerability through our HackerOne bug bounty program