UBUNTU-CVE-2026-6896

Source
https://ubuntu.com/security/CVE-2026-6896
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-6896.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-6896
Upstream
  • CVE-2026-6896
Published
2026-07-08T21:16:00Z
Modified
2026-07-15T19:47:54.200879792Z
Severity
  • 8.7 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N CVSS Calculator
  • 5.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

GitLab has remediated an issue in GitLab EE affecting all versions from 13.11 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to execute arbitrary scripts in another user's browser session due to improper sanitization of user-supplied input.

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-2026-6896.json"