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CVE-2026-4916

Missing Authorization in GitLab

LOW
2.7
CVSS Score
Published: April 8, 2026 at 10:25 PM UTC
Updated: July 24, 2026 at 08:20 PM UTC
1 product affected across 1 vendorGitLab

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Severity
LOW2.7
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

GitLab· GitLabmaven
95%
18.10 ≤ v < 18.10.318.10.0 ≤ v < 18.10.318.2 ≤ v < 18.8.918.2.0 ≤ v < 18.8.918.9 ≤ v < 18.9.518.9.0 ≤ v < 18.9.518.1018.218.9
Affected range stops below 18.10.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 18.8.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 18.9.5, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

Technical DescriptionExploitPermissions Required
Source: cverecord
https://hackerone.com/reports/3301240
Broken Link
Source: cverecord
https://gitlab.com/gitlab-org/gitlab/-/work_items/565414
Release NotesVendor Advisory
Source: cverecord
https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

2.7LOWGitLab
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-862

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