5.4
MEDIUM CVSS 3.1
CVE-2026-5309
Authorization Bypass Through User-Controlled Key in GitLab
Description

GitLab has remediated an issue in GitLab EE affecting all versions from 18.6 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticated user to read or modify another group's virtual registry cleanup policy settings without authorization.

INFO

Published Date :

June 25, 2026, 4:34 a.m.

Last Modified :

June 25, 2026, 4:34 a.m.

Remotely Exploit :

Yes !

Source :

GitLab
Affected Products

The following products are affected by CVE-2026-5309 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM ceab7361-8a18-47b1-92ba-4d7d25f6715a
CVSS 3.1 MEDIUM [email protected]
Solution
Update GitLab EE to a patched version to prevent unauthorized access to registry cleanup policies.
  • Update GitLab EE to version 18.11.6 or later.
  • Update GitLab EE to version 19.0.3 or later.
  • Update GitLab EE to version 19.1.1 or later.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-5309 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.