Home/CVE/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 1
CVE

CVE-2026-4916

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 1

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.

LOW · CVSS 2.7 EPSS 0.00014
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-862Missing Authorization
▤

Affected Products & Versions

3
gitlab>= 18.2.0 and < 18.8.9
gitlab>= 18.9.0 and < 18.9.5
gitlab>= 18.10.0 and < 18.10.3
▣

Scoring & Timeline

2.7
LOW · CVSS v3.1 · cve@gitlab.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Apr 2026 · 11:17 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
gitlab-securitypatch-release-gitlab-18-10-3-released
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/Release NotesVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/work_items/565414Broken Link
https://hackerone.com/reports/3301240Permissions Required
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