What is the severity of CVE-2025-0549?

CVE-2025-0549 is considered a serious vulnerability that impacts the security of GitLab CE/EE due to the ability to bypass Device OAuth protections.

How do I fix CVE-2025-0549?

To mitigate CVE-2025-0549, upgrade your GitLab CE/EE installation to version 17.9.8 or later, 17.10.6 or later, or 17.11.2 or later.

What versions of GitLab are affected by CVE-2025-0549?

CVE-2025-0549 affects GitLab CE/EE versions starting from 17.3 up to but not including 17.9.8, from 17.10 up to but not including 17.10.6, and from 17.11 up to but not including 17.11.2.

Can CVE-2025-0549 be exploited remotely?

Yes, CVE-2025-0549 can potentially be exploited remotely by attackers looking to bypass OAuth protections.

Is user data at risk due to CVE-2025-0549?

Yes, CVE-2025-0549 may allow unauthorized access to user data through the compromised OAuth flow.

Vulnerability/
CVE-2025-0549

medium

6.8

CWE

288

9/5/2025

12/5/2025

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

First published: Fri May 09 2025(Updated: )

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.

Credit: cve@gitlab.com

Affected Software	Affected Version	How to fix
GitLab Community Edition	>=17.3<17.9.8>=17.10<17.10.6>=17.11<17.11.2

Remedy

Upgrade to versions 17.9.8, 17.10.6, 17.11.2 or above.

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2025-0549?
CVE-2025-0549 is considered a serious vulnerability that impacts the security of GitLab CE/EE due to the ability to bypass Device OAuth protections.
How do I fix CVE-2025-0549?
To mitigate CVE-2025-0549, upgrade your GitLab CE/EE installation to version 17.9.8 or later, 17.10.6 or later, or 17.11.2 or later.
What versions of GitLab are affected by CVE-2025-0549?
CVE-2025-0549 affects GitLab CE/EE versions starting from 17.3 up to but not including 17.9.8, from 17.10 up to but not including 17.10.6, and from 17.11 up to but not including 17.11.2.
Can CVE-2025-0549 be exploited remotely?
Yes, CVE-2025-0549 can potentially be exploited remotely by attackers looking to bypass OAuth protections.
Is user data at risk due to CVE-2025-0549?
Yes, CVE-2025-0549 may allow unauthorized access to user data through the compromised OAuth flow.

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