# CVE-2026-88959

## Summary

- **CVE ID:** CVE-2026-88959
- **Severity:** HIGH
- **CVSS Score:** 8.8 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-862
- **Published:** Sep 10, 2026
- **Last Modified:** Sep 10, 2026

## Description

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.

## Affected Products

- anchorcms — Anchor CMS (0)

## References

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

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._