What is the CVSS score of CVE-2025-0549?

CVE-2025-0549 has a CVSS 3.1 base score of 6.8 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N. EPSS exploitation probability: 0.1%.

Which versions of Gitlab are affected by CVE-2025-0549?

Organizations using GitLab CE/EE affecting all should be aware of notable risk from CVE-2025-0549 rated CVSS 6.8. Exploitation could compromise the security of affected deployments.

Is there a public PoC exploit available for CVE-2025-0549?

Yes, a public proof-of-concept exploit is available for CVE-2025-0549. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-0549?

Within 30 days: Identify affected systems running GitLab CE/EE affecting all and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Gitlab CVE-2025-0549

MEDIUM

Authentication Bypass Using an Alternate Path or Channel (CWE-288)

2025-05-09 cve@gitlab.com

Authentication Bypass Gitlab

6.8

CVSS 3.1

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:41 vuln.today

PoC Detected

Aug 08, 2025 - 16:54 vuln.today

Public exploit code

CVE Published

May 09, 2025 - 17:15 nvd

MEDIUM 6.8

DescriptionNVD

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.

AnalysisAI

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. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-288. 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 products include: Gitlab. Version information: prior to 17.9.8.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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CVE-2025-0549 vulnerability details – vuln.today

Back

Gitlab CVE-2025-0549

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code