Bypass Two-Factor Authentication Vulnerability in GitLab by GitLab, Inc.
CVE-2026-0723

7.4HIGH

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
22 January 2026

What is CVE-2026-0723?

A security issue has been identified in GitLab CE/EE where an attacker possessing knowledge of a victim's credential ID can effectively bypass two-factor authentication. This vulnerability arises from the submission of forged device responses, which, if exploited, could grant unauthorized access to the system. GitLab has addressed this critical security flaw in versions 18.6.4, 18.7.2, and 18.8.2, urging users to update promptly to ensure their accounts remain secure.

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Deploy the Patch

Affected Version(s)

GitLab 18.6 < 18.6.4

GitLab 18.7 < 18.7.2

GitLab 18.8 < 18.8.2

References

https://gitlab.com/gitlab-org/gitlab/-/issues/585333
issue-trackingpermissions-required
https://hackerone.com/reports/3476052
technical-descriptionexploitpermissions-required
https://about.gitlab.com/releases/2026/01/21/patch-releas...

CVSS V3.1

Score:
7.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Thanks [ahacker1](https://hackerone.com/ahacker1) for reporting this vulnerability through our HackerOne bug bounty program
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