Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-4916

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
08/04/2026
Last modified:
16/04/2026

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user with custom role permissions to demote or remove higher-privileged group members due to improper authorization checks on member management operations.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 2.70 LOW
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): Low
Availability (A): None

Base Score 3.x
2.70
Severity 3.x
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* 18.2.0 (including) 18.8.9 (excluding)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* 18.9.0 (including) 18.9.5 (excluding)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* 18.10.0 (including) 18.10.3 (excluding)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* 18.2.0 (including) 18.8.9 (excluding)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* 18.9.0 (including) 18.9.5 (excluding)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* 18.10.0 (including) 18.10.3 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools