CVE-2026-88959

Anchor CMS through 0.12.7 fails to enforce role-based access control in admin user-management endpoints, allowing any authenticated low-privilege user to create administrator accounts or modify existing ones. Attackers with editor or user roles can POST directly to admin/users/add or admin/users/edit endpoints to create new administrator accounts or change the existing administrator's password, gaining full administrative access.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://gist.github.com/bozorovab2009-spec/57931237f774b78333f8fe47e84ec4aa
https://github.com/anchorcms/anchor-cms
https://github.com/anchorcms/anchor-cms/blob/0.12.7/anchor/routes/users.php
https://www.vulncheck.com/advisories/anchor-cms-through-0.12.7-privilege-escalation-via-missing-authorization-on-admin-user-management-endpoints

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-10 16:18

Updated : 2026-09-11 21:17

NVD link : CVE-2026-88959

Mitre link : CVE-2026-88959

CVE.ORG link : CVE-2026-88959

JSON object : View

Products Affected

No product.

CWE

CWE-862

Missing Authorization

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