# CVE-2026-18433: Incorrect Authorization in GitLab

> CVE-2026-18433: Incorrect Authorization in GitLab. CVSS 4.3 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-18433
Last updated: 2026-08-19T16:32:42Z

- Published: 2026-08-12 19:04 UTC · Updated: 2026-08-19 16:32 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: 0.39%, 33th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-863

## Description

GitLab has remediated an issue in GitLab EE affecting all versions from 19.1 before 19.1.4 and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user to read policy configuration belonging to a namespace they were not authorized to access, due to incorrect authorization checks in a GraphQL query.

## 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-2026-18433)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-18433)
- [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/607556](https://gitlab.com/gitlab-org/gitlab/-/work_items/607556)
- [https://hackerone.com/reports/3776182](https://hackerone.com/reports/3776182)

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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-2026-18433 · Markdown: https://rewindex.com/cve/CVE-2026-18433.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-18433 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:15:36.291Z