CVE-2025-11340

HIGH

GitLab EE <18.3.4-18.4.2 - Privilege Escalation

Title source: llm

Description

GitLab has remediated an issue in GitLab EE affecting all versions from 18.3 to 18.3.4, 18.4 to 18.4.2 that, under certain conditions, could have allowed authenticated users with read-only API tokens to perform unauthorized write operations on vulnerability records by exploiting incorrectly scoped GraphQL mutations.

References (2)

[Release Notes, Vendor Advisory] https://about.gitlab.com/releases/2025/10/08/patch-release-gitlab-18-4-2-released/

[Broken Link] https://gitlab.com/gitlab-org/gitlab/-/issues/567847

Scores

CVSS v3 7.7

EPSS 0.0001

EPSS Percentile 1.0%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

Classification

CWE

CWE-863

Status published

Affected Products (2)

gitlab/gitlab < 18.3.4

Timeline

Published Oct 09, 2025

Tracked Since Feb 18, 2026