GitLab Community Edition/Enterprise Edition up to 18.9.6/18.10.5/18.11.2 Private Group authorization

Summaryinfo

A vulnerability, which was classified as problematic, has been found in GitLab Community Edition and Enterprise Edition up to 18.9.6/18.10.5/18.11.2. This affects an unknown function of the component Private Group Handler. The manipulation leads to authorization. This vulnerability is listed as CVE-2026-8144. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in GitLab Community Edition and Enterprise Edition up to 18.9.6/18.10.5/18.11.2. It has been rated as problematic. This issue affects an unknown functionality of the component Private Group Handler. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality. The summary by CVE is:

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.1 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with project membership to enumerate private group members due to missing authorization checks.

The weakness was presented with GitLab. The advisory is shared at gitlab.com. The identification of this vulnerability is CVE-2026-8144 since 05/07/2026. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 316413 (Linux Distros Unpatched Vulnerability : CVE-2026-8144), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 18.9.7, 18.10.6 or 18.11.3 eliminates this vulnerability. The upgrade is hosted for download at about.gitlab.com.

The vulnerability is also documented in the vulnerability database at Tenable (316413). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Bug Tracking Software

Vendor

• GitLab

Name

• Community Edition
• Enterprise Edition

Version

• 18.9.0
• 18.9.1
• 18.9.2
• 18.9.3
• 18.9.4
• 18.9.5
• 18.9.6
• 18.10.0
• 18.10.1
• 18.10.2
• 18.10.3
• 18.10.4
• 18.10.5
• 18.11.0
• 18.11.1
• 18.11.2

License

• open-source

Website

• Vendor: https://gitlab.com/

CPE 2.3info

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CPE 2.2info

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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