UBUNTU-CVE-2026-92883

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Source

https://ubuntu.com/security/CVE-2026-92883

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-92883.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-92883

Upstream

CVE-2026-92883

Published

2026-10-13T02:17:00Z

Modified

2026-10-17T13:01:17Z

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
Ubuntu - medium

Summary

[none]

Details

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.1 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user to execute arbitrary JavaScript in the context of other users' browser sessions via a specially crafted repository, due to improper sanitization of HTML attributes in syntax-highlighted output.

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-2026-92883.json"