GitLab WebAuthn 2FA Bypass (unauth) fixed in 18.8.7/18.9.3/18.10.1
CVE-2026-2745 Published on March 25, 2026
Authentication Bypass Using an Alternate Path or Channel in GitLab
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 7.11 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an unauthenticated user to bypass WebAuthn two-factor authentication and gain unauthorized access to user accounts due to inconsistent input validation in the authentication process.
Vulnerability Analysis
CVE-2026-2745 can be exploited with network access, and requires small amount of user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and no impact on availability.
Weakness Type
Authentication Bypass Using an Alternate Path or Channel
A product requires authentication, but the product has an alternate path or channel that does not require authentication.
Products Associated with CVE-2026-2745
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Affected Versions
GitLab:- Version 7.11 and below 18.8.7 is affected.
- Version 18.9 and below 18.9.3 is affected.
- Version 18.10 and below 18.10.1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.