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

> CVE-2026-4868: Authorization Bypass Through User-Controlled Key in GitLab. CVSS 8.2 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-4868
Last updated: 2026-10-14T20:10:00Z

- Published: 2026-05-27 17:55 UTC · Updated: 2026-10-14 20:10 UTC · Assigner: GitLab
- CVSS: 8.2 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
- EPSS: 0.43%, 37th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-639

## Description

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.

## Affected vendors and products

- GitLab: GitLab

## Tracked companies

- [GitLab](https://rewindex.com/company/gitlab.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-4868)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-4868)
- [https://about.gitlab.com/releases/2026/05/27/patch-release-gitlab-19-0-1-released/](https://about.gitlab.com/releases/2026/05/27/patch-release-gitlab-19-0-1-released/)
- [https://gitlab.com/gitlab-org/gitlab/-/work\_items/594809](https://gitlab.com/gitlab-org/gitlab/-/work_items/594809)
- [https://hackerone.com/reports/3619872](https://hackerone.com/reports/3619872)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-4868 · Markdown: https://rewindex.com/cve/CVE-2026-4868.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-4868 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T04:03:29.796Z