GitLab Enterprise Edition up to 18.8.8/18.9.4/18.10.2 Private Project authorization

Summaryinfo

A vulnerability identified as problematic has been detected in GitLab Enterprise Edition up to 18.8.8/18.9.4/18.10.2. Affected by this vulnerability is an unknown functionality of the component Private Project Handler. The manipulation leads to authorization. This vulnerability is uniquely identified as CVE-2026-2619. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in GitLab Enterprise Edition up to 18.8.8/18.9.4/18.10.2 and classified as problematic. This issue affects some unknown functionality of the component Private Project Handler. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. Impacted is integrity. The summary by CVE is:

GitLab has remediated an issue in GitLab EE affecting all versions from 18.6 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that under certain circumstances could have allowed an authenticated user with auditor privileges to modify vulnerability flag data in private projects due to incorrect authorization.

The weakness was disclosed by Sage_Cyberlord. The advisory is shared at hackerone.com. The identification of this vulnerability is CVE-2026-2619 since 02/17/2026. 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 305633 (GitLab 18.6 < 18.8.9 / 18.9 < 18.9.5 / 18.10 < 18.10.3 (CVE-2026-2619)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 18.8.9, 18.9.5 or 18.10.3 eliminates this vulnerability. The upgrade is hosted for download at about.gitlab.com.

The vulnerability is also documented in the databases at Tenable (305633) and EUVD (EUVD-2026-20799). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Bug Tracking Software

Vendor

• GitLab

Name

• Enterprise Edition

Version

• 18.8.0
• 18.8.1
• 18.8.2
• 18.8.3
• 18.8.4
• 18.8.5
• 18.8.6
• 18.8.7
• 18.8.8
• 18.9.0
• 18.9.1
• 18.9.2
• 18.9.3
• 18.9.4
• 18.10.0
• 18.10.1
• 18.10.2

License

• commercial

Website

• Vendor: https://gitlab.com/

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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