PT-2026-27988 · Gitlab · Gitlab Ce/Ee

Published 2026-03-25 · Updated 2026-03-27 · CVE-2026-2745

Positive Technologies (AI Summary)

CVSS v2.0

8.5

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:N

Name of the Vulnerable Software and Affected Versions GitLab CE/EE versions 7.11 through 18.8.6 GitLab CE/EE versions 18.9 through 18.9.2 GitLab CE/EE versions 18.10 through 18.10.0

Description An issue existed in GitLab CE/EE where an unauthenticated user could bypass WebAuthn two-factor authentication and gain unauthorized access to user accounts. This was due to inconsistent input validation during the authentication process.

Recommendations Update GitLab CE/EE to version 18.8.7 or later. Update GitLab CE/EE to version 18.9.3 or later. Update GitLab CE/EE to version 18.10.1 or later.

Exploit

Fix

Authentication Bypass Using an Alternate Path or Channel

Weakness Enumeration

CWE-288

Related Identifiers

BDU:2026-06378

BIT-GITLAB-2026-2745

CVE-2026-2745

Affected Products

Gitlab Ce/Ee

References · 11

• 🔥 https://hackerone.com/reports/3557844 · Exploit
• https://ubuntu.com/security/CVE-2026-2745 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-06378 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-2745 · Vendor Advisory
• https://about.gitlab.com/releases/2026/03/25/patch-release-gitlab-18-10-1-released · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-2745 · Security Note
• https://cve.org/CVERecord?id=CVE-2026-2745 · Security Note
• https://osv.dev/vulnerability/BIT-gitlab-2026-2745 · Vendor Advisory
• https://gitlab.com/gitlab-org/gitlab/-/work_items/590810 · Note
• https://docs.gitlab.com/releases/patches/patch-release-gitlab-18-10-1-released · Note
• https://twitter.com/CVEnew/status/2036911838659830217 · Twitter Post