🔐 CVE Alert

CVE-2026-2745

MEDIUM 6.8

Authentication Bypass Using an Alternate Path or Channel in GitLab

CVSS Score
6.8
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-288
Vendor gitlab
Product gitlab
Ecosystems
Industries
Technology
Published Mar 25, 2026
Last Updated Mar 26, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

Affected Versions

GitLab / GitLab
7.11 < 18.8.7 18.9 < 18.9.3 18.10 < 18.10.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗
hackerone.com: https://hackerone.com/reports/3557844 gitlab.com: https://gitlab.com/gitlab-org/gitlab/-/work_items/590810 about.gitlab.com: https://about.gitlab.com/releases/2026/03/25/patch-release-gitlab-18-10-1-released/

Credits

Thanks [a0xnirudh](https://hackerone.com/a0xnirudh) for reporting this vulnerability through our HackerOne bug bounty program