CVE-2025-0549

Authentication Bypass Using an Alternate Path or Channel in GitLab

State: Published
Severity: 6.8 Medium
Published: May 9, 2025
Updated: May 9, 2025
Reserved: Jan 17, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	6.8 Medium	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N	GitLab

Weaknesses

CWE-288 Authentication Bypass Using an Alternate Path or Channel

Affected Products

Product	Versions
GitLabGitLab	17.3 to before 17.9.8Affected 17.10 to before 17.10.6Affected 17.11 to before 17.11.2Affected

References

GitLab Issue #513996issue-trackingpermissions-required
HackerOne Bug Bounty Report #2927555technical-descriptionexploitpermissions-required

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