CVE-2025-5315

MEDIUM

GitLab 17.2-17.11.5, 18.0-18.0.3, 18.1-18.1.1 - Authenticated Missing Authorization via Crafted API Requests

Title source: llm
STIX 2.1

Description

An issue has been discovered in GitLab CE/EE affecting all versions from 17.2 before 17.11.5, 18.0 before 18.0.3, and 18.1 before 18.1.1 that could have allowed authenticated users with Guest role permissions to add child items to incident work items by sending crafted API requests that bypassed UI-enforced role restrictions.

References (2)

Core 2
Core References
Broken Link issue-tracking permissions-required
https://gitlab.com/gitlab-org/gitlab/-/issues/546282
Permissions Required technical-description exploit permissions-required
https://hackerone.com/reports/3163037

Scores

CVSS v3 4.3
EPSS 0.0007
EPSS Percentile 20.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-862
Status published
Products (2)
gitlab/gitlab 18.1.0 (2 CPE variants)
gitlab/gitlab 17.2.0 - 17.11.5 (2 CPE variants)
Published Jun 26, 2025
Tracked Since Feb 18, 2026