CVE-2025-4979

MEDIUM

GitLab CE/EE <17.10.7-18.0.1 - Info Disclosure

Title source: llm

Description

An issue has been discovered in GitLab CE/EE affecting all versions before 17.10.7, 17.11 before 17.11.3, and 18.0 before 18.0.1. An attacker may be able to reveal masked or hidden CI variables (that they did not author) in the WebUI, by simply creating their own variable and observing the HTTP response.

References (1)

[Broken Link] https://gitlab.com/gitlab-org/gitlab/-/issues/524455

Scores

CVSS v3 4.9

EPSS 0.0007

EPSS Percentile 20.3%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-1220

Status published

Products (2)

gitlab/gitlab 18.0.0 (2 CPE variants)

gitlab/gitlab < 17.10.7 (2 CPE variants)

Published May 22, 2025

Tracked Since Feb 18, 2026