UBUNTU-CVE-2026-100755

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Source

https://ubuntu.com/security/CVE-2026-100755

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-100755.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-100755

Upstream

CVE-2026-100755

Published

2026-10-13T02:16:00Z

Modified

2026-10-17T12:59:43Z

Severity

4.6 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.2 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain deployment configurations, could have allowed an authenticated user to poison cached page content served to other users due to improper cache key construction.

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

0 Unknown 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-2026-100755.json"