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CVE-2026-2973

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CVE-2026-2973

Published: Mar 25, 2026

Modified: Mar 26, 2026

PUBLISHED

CVSS v3.1

5.4

MEDIUM

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.7 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an authenticated user to execute arbitrary JavaScript in a user's browser due to improper sanitization of entity-encoded content in Mermaid diagrams.

VendorProductVersions

GitLab

GitLab

affected
17.7 - < 18.8.7
affected
18.9 - < 18.9.3
affected
18.10 - < 18.10.1

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

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