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.

Affected

GitLab

CVSS v3.1 GITLAB

6.8 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

EPSS

0.46% chance of exploitation in the next 30 days, 38th percentile

Published

2025-05-09

Proof-of-concept exploits (1)

• https://hackerone.com/reports/2927555

Security advisories

• https://gitlab.com/gitlab-org/gitlab/-/issues/513996

References

• CVE Record
• NVD entry