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CVE-2026-3857

HIGH CVSS 3.1: 8.8 EPSS 0.01%
Updated Mar 30, 2026
GitLab
Parameter Value
CVSS 8.8 (HIGH)
Affected Versions 17.10.0 — 18.9.3
Fixed In 18.8.7
Type CWE-352 (Cross-Site Request Forgery (CSRF))
Vendor GitLab
Public PoC No

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an unauthenticated user to execute arbitrary GraphQL mutations on behalf of authenticated users due to insufficient CSRF protection.

Attack Parameters

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

Impact Assessment

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

CVSS Vector v3.1

Vulnerable Products 6

Configuration From (including) Up to (excluding)
Gitlab Gitlab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
17.10.0 18.8.7
Gitlab Gitlab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
17.10.0 18.8.7
Gitlab Gitlab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
18.9.0 18.9.3
Gitlab Gitlab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
18.9.0 18.9.3
Gitlab Gitlab
cpe:2.3:a:gitlab:gitlab:18.10.0:*:*:*:community:*:*:*
Gitlab Gitlab
cpe:2.3:a:gitlab:gitlab:18.10.0:*:*:*:enterprise:*:*:*