# CVE-2026-6821: Missing Authorization in GitLab

> CVE-2026-6821: Missing Authorization in GitLab. CVSS 4.3 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-6821
Last updated: 2026-08-19T16:43:17Z

- Published: 2026-08-12 19:05 UTC · Updated: 2026-08-19 16:43 UTC · Assigner: GitLab
- CVSS: 4.3 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- EPSS: 0.36%, 29th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-862

## Description

GitLab has remediated an issue in GitLab EE affecting all versions from 12.0 before 19.0.6, 19.1 before 19.1.4, and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user to bypass IP-based access restrictions and read limited merge request information from a private project due to missing authorization checks in a merge requests API endpoint.

## 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-2026-6821)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-6821)
- [https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-2-released/](https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-2-released/)
- [https://gitlab.com/gitlab-org/gitlab/-/work\_items/597702](https://gitlab.com/gitlab-org/gitlab/-/work_items/597702)
- [https://hackerone.com/reports/3674254](https://hackerone.com/reports/3674254)

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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-2026-6821 · Markdown: https://rewindex.com/cve/CVE-2026-6821.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-6821 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:16:55.593Z