Vulnerability Report

CVE-2026-2745

Title: Unauthenticated WebAuthn 2FA bypass in GitLab CE/EE

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2026-2745.

CWE Category CWE-288
Published Date Mar 25, 2026
Modified Date Mar 26, 2026
Exploit Status Not Found
Score 6.8 CVSS v3.1
Exploit Probability (EPSS)
0.10%

Vulnerability Summary

CVE-2026-2745: 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.

Impacted Vendors

G
gitlab 1
J
jenkins 1

Reference Links

https://about.gitlab.com/releases/2026/03/25/patch-release-gitlab-18-10-1-released/ https://gitlab.com/gitlab-org/gitlab/-/work_items/590810 https://hackerone.com/reports/3557844
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
6.8
Attack Vector
NETWORK
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS v3.1
Source Entity [email protected]
Severity HIGH
8.1
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-2745 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity HIGH
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected Stack

No specific products linked.