CVE-2026-1230

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

11/03/2026

Last modified:

11/03/2026

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 1.0 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that could have allowed an authenticated user to cause repository downloads to contain different code than displayed in the web interface due to incorrect validation of branch references under certain circumstances.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 4.10 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): None
Integrity (I): Low
Availability (A): None

Base Score 3.x

4.10

Severity 3.x

MEDIUM

References to Advisories, Solutions, and Tools

https://about.gitlab.com/releases/2026/03/11/patch-release-gitlab-18-9-2-released/
https://gitlab.com/gitlab-org/gitlab/-/work_items/587002
https://hackerone.com/reports/3505165