# CVE-2025-0549: Authentication Bypass Using an Alternate Path or Channel in GitLab

> CVE-2025-0549: Authentication Bypass Using an Alternate Path or Channel in GitLab. CVSS 6.8 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2025-0549
Last updated: 2026-06-17T08:26:41Z

- Published: 2025-05-09 16:13 UTC · Updated: 2026-06-17 08:26 UTC · Assigner: GitLab
- CVSS: 6.8 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
- EPSS: 0.46%, 39th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-288

## Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 17.3 prior to 17.9.8, from 17.10 prior to 17.10.6, and from 17.11 prior to 17.11.2. A security vulnerability allows attackers to bypass Device OAuth flow protections, enabling authorization form submission through minimal user interaction.

## 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-2025-0549)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2025-0549)
- [https://gitlab.com/gitlab-org/gitlab/-/issues/513996](https://gitlab.com/gitlab-org/gitlab/-/issues/513996)
- [https://hackerone.com/reports/2927555](https://hackerone.com/reports/2927555)

---

_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/)_


---
Canonical: https://rewindex.com/cve/CVE-2025-0549 · Markdown: https://rewindex.com/cve/CVE-2025-0549.md · JSON: https://rewindex.com/api/v1/cves/CVE-2025-0549 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:50:27.894Z