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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
anchorcms Anchor CMS unaffected
Version Status Constraints
0 affected ≤ 0.12.7

No data.

No data.

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Project Subscriptions

Vendors Products
Anchorcms Subscribe
Anchor Cms Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

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

Thu, 10 Sep 2026 15:45:00 +0000

Type Values Removed Values Added
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.
Title Anchor CMS through 0.12.7 Privilege Escalation via Missing Authorization on Admin User-Management Endpoints
First Time appeared Anchorcms
Anchorcms anchor Cms
Weaknesses CWE-862
CPEs cpe:2.3:a:anchorcms:anchor_cms:*:*:*:*:*:*:*:*
Vendors & Products Anchorcms
Anchorcms anchor Cms
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-10T15:44:12.945Z

Reserved: 2026-09-10T15:35:10.247Z

Link: CVE-2026-88959

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-10T16:18:12.843

Modified: 2026-09-10T16:18:12.843

Link: CVE-2026-88959

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-10T17:45:16Z

Weaknesses