CVE-2026-19478

CRITICAL CVSS 3.1: 9.4 EPSS 1.51%
Updated Aug 18, 2026
GitLab
Parameter Value
CVSS 9.4 (CRITICAL)
Affected Versions before 18.11.11
Type CWE-94 (Code Injection)
Vendor GitLab
Public PoC No

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.11.11, 19.0 before 19.0.8, 19.1 before 19.1.6, and 19.2 before 19.2.4 that under certain conditions could allow an unauthenticated user to remotely modify or delete public projects and user data via a GraphQL directive.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)