BaseFortify

Publication date: 2025-11-15

Last updated on: 2025-11-19

Assigner: GitLab Inc.

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.9 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated attacker to bypass access control restrictions and view GitLab Pages content intended only for project members by authenticating through OAuth providers.

CVSS Scores

EPSS Scores

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Meta Information

Published

2025-11-15

Last Modified

2025-11-19

Generated

2026-07-06

AI Q&A

2025-11-15

EPSS Evaluated

2026-07-05

NVD

CVE-2025-7736

Affected Vendors & Products

Vendor	Product	Version / Range
gitlab	gitlab	From 17.9.0 (inc) to 18.3.6 (exc)
gitlab	gitlab	From 17.9.0 (inc) to 18.3.6 (exc)
gitlab	gitlab	From 18.4.0 (inc) to 18.4.4 (exc)
gitlab	gitlab	From 18.4.0 (inc) to 18.4.4 (exc)
gitlab	gitlab	From 18.5.0 (inc) to 18.5.2 (exc)
gitlab	gitlab	From 18.5.0 (inc) to 18.5.2 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-863	The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

Attack-Flow Graph

Executive Summary

This vulnerability in GitLab CE/EE allowed an authenticated attacker to bypass access control restrictions and view GitLab Pages content that was intended only for project members by authenticating through OAuth providers.

Impact Analysis

An attacker who exploits this vulnerability could gain unauthorized access to restricted GitLab Pages content, potentially exposing sensitive project information to unauthorized users.

Mitigation Strategies

To mitigate this vulnerability, you should upgrade GitLab CE/EE to a fixed version: 18.3.6 or later for the 17.9 series, 18.4.4 or later for the 18.4 series, or 18.5.2 or later for the 18.5 series. This will prevent authenticated attackers from bypassing access control restrictions via OAuth authentication.

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