GitLab Community Edition/Enterprise Edition up to 18.4.5/18.5.3/18.6.1 WebAuthn Two-Factor Authentication authentication bypass

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability has been found in GitLab Community Edition and Enterprise Edition up to 18.4.5/18.5.3/18.6.1 and classified as critical. Affected is an unknown function of the component WebAuthn Two-Factor Authentication. The manipulation leads to authentication bypass. This vulnerability is uniquely identified as CVE-2025-11984. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in GitLab Community Edition and Enterprise Edition up to 18.4.5/18.5.3/18.6.1. It has been rated as critical. This issue affects an unknown part of the component WebAuthn Two-Factor Authentication. The manipulation with an unknown input leads to a authentication bypass vulnerability. Using CWE to declare the problem leads to CWE-288. A product requires authentication, but the product has an alternate path or channel that does not require authentication. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.1 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to bypass WebAuthn two-factor authentication by manipulating the session state under certain conditions.

The weakness was disclosed by jcarre as 577847. It is possible to read the advisory at gitlab.com. The identification of this vulnerability is CVE-2025-11984 since 10/20/2025. The exploitation is known to be difficult. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 294824 (Linux Distros Unpatched Vulnerability : CVE-2025-11984), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 18.4.6, 18.5.4 or 18.6.2 eliminates this vulnerability. The upgrade is hosted for download at about.gitlab.com.

The vulnerability is also documented in the databases at Tenable (294824), EUVD (EUVD-2025-202648) and CERT Bund (WID-SEC-2025-2822). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Open Source GitLab

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.8
CNA Vector (GitLab): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authentication bypass
CWE: CWE-288 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 294824
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-11984

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Community Edition/Enterprise Edition 18.4.6/18.5.4/18.6.2

Timelineinfo

10/20/2025 CVE reserved
12/11/2025 +52 days Advisory disclosed
12/11/2025 +0 days VulDB entry created
01/23/2026 +43 days VulDB entry last update

Sourcesinfo

Vendor: gitlab.com

Advisory: 577847
Researcher: jcarre
Status: Confirmed

CVE: CVE-2025-11984 (🔒)
GCVE (CVE): GCVE-0-2025-11984
GCVE (VulDB): GCVE-100-335807
EUVD: 🔒
CERT Bund: WID-SEC-2025-2822 - GitLab: Mehrere Schwachstellen

Entryinfo

Created: 12/11/2025 07:25
Updated: 01/23/2026 08:40
Changes: 12/11/2025 07:25 (68), 12/11/2025 09:53 (1), 12/11/2025 14:49 (7), 01/23/2026 08:40 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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