GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.11 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have, under certain circumstances, allowed an unauthenticated user to perform unauthorized actions on behalf of another user by injecting malicious external scripts into the Swagger UI."
Advisories

No advisories yet.

Fixes

Solution

Upgrade to versions 18.4.6, 18.5.4, 18.6.2 or above.


Workaround

No workaround given by the vendor.

History

Thu, 11 Dec 2025 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 11 Dec 2025 07:45:00 +0000

Type Values Removed Values Added
Description GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.11 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have, under certain circumstances, allowed an unauthenticated user to perform unauthorized actions on behalf of another user by injecting malicious external scripts into the Swagger UI."
Title Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
First Time appeared Gitlab
Gitlab gitlab
Weaknesses CWE-79
CPEs cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Vendors & Products Gitlab
Gitlab gitlab
References
Metrics cvssV3_1

{'score': 8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitLab

Published:

Updated: 2025-12-12T04:55:44.322Z

Reserved: 2025-10-21T15:34:06.736Z

Link: CVE-2025-12029

cve-icon Vulnrichment

Updated: 2025-12-11T18:11:05.571Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-12-11T08:15:47.853

Modified: 2025-12-12T15:18:13.390

Link: CVE-2025-12029

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses