CVE-2025-2615

MEDIUM

GitLab <18.3.6-18.5.2 - Info Disclosure

Title source: llm

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.7 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2, that could have allowed a blocked user to access sensitive information by establishing GraphQL subscriptions through WebSocket connections.

References (3)

[Permissions Required] https://hackerone.com/reports/3049150

[Release Notes, Vendor Advisory] https://about.gitlab.com/releases/2025/11/12/patch-release-gitlab-18-5-2-released/

[Broken Link] https://gitlab.com/gitlab-org/gitlab/-/issues/526360

Scores

CVSS v3 4.3

EPSS 0.0001

EPSS Percentile 3.2%

Attack Vector NETWORK

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

Classification

CWE

CWE-201

Status published

Affected Products (2)

gitlab/gitlab < 18.3.6

gitlab/gitlab < 18.3.6

Timeline

Published Nov 15, 2025

Tracked Since Feb 18, 2026