UBUNTU-CVE-2026-6552

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Source

https://ubuntu.com/security/CVE-2026-6552

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-6552.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-6552

Upstream

CVE-2026-6552

Published

2026-06-11T12:16:00Z

Modified

2026-06-17T04:26:55Z

Severity

8.7 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

GitLab has remediated an issue in GitLab EE affecting all versions from 15.5 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with group Owner role to take over another group member's GitLab account due to improper authorization in the Group SAML identity management functionality.

References

Affected packages

Ubuntu:16.04:LTS / gitlab

Package

Name: gitlab
Purl: pkg:deb/ubuntu/gitlab?arch=source&distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

8.*

8.4.3+dfsg-9

8.4.3+dfsg-12

8.5.8+dfsg-5

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "gitlab",
            "binary_version": "8.5.8+dfsg-5"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-6552.json"