CVE-2025-0549
Authentication Bypass Using an Alternate Path or Channel in GitLab
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Authentication Bypass Using an Alternate Path or Channel in GitLab
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.
- Record
CVE-2025-0549- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N - Weakness
- CWE-288
- Updated
- 2026-11-02
EUVDEUVD-2025-14174
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.
- Record
EUVD-2025-14174- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-q8cg-g95p-qfr2
An issue has been discovered in GitLab CE/EE affecting all versions starting from 17.3 prior to...
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.
- Record
GHSA-q8cg-g95p-qfr2- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N - Weakness
- CWE-288
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-0549- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N - Weakness
- CWE-288
- Updated
- 2026-11-02
OSV
Authentication Bypass Using an Alternate Path or Channel in GitLab
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.
- Record
CVE-2025-0549- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N - Weakness
- CWE-288
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2025-0549
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.
- Record
UBUNTU-CVE-2025-0549- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
OSVBIT-gitlab-2025-0549 No score
Authentication Bypass Using an Alternate Path or Channel in GitLab
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.
- Record
BIT-gitlab-2025-0549- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-0549 is a medium vulnerability (CVSS 6.8) in Gitlab, published May 9, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.46%, the 40th percentile. Fixed in gitlab 17.11.2.