CVE-2026-108812
Deferred Deferred - Pending Action

Improper Authorization in SEMCMS User Management

Publication date: 2026-10-12

Last updated on: 2026-10-12

Assigner: VulDB

Description
A security vulnerability has been detected in SEMCMS up to 5.0. The impacted element is an unknown function of the file /admin/SEMCMS_User.php?Class=Deleted&CF=user. Such manipulation leads to improper authorization. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

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Meta Information

Published
2026-10-12
Last Modified
2026-10-12
Generated
2026-10-12
AI Q&A
2026-10-12
EPSS Evaluated
N/A
NVD
CVE-2026-108812
EUVD
EUVD-2026-97285

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
n/a SEMCMS 5.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-285 The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.
CWE-266 A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor.

Attack-Flow Graph

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Executive Summary

This vulnerability in SEMCMS up to version 5.0 allows unauthorized users to delete arbitrary users due to improper authorization in the /admin/SEMCMS_User.php file. The attack can be performed remotely and has been publicly disclosed.

Detection Guidance

To detect this vulnerability, check if SEMCMS versions up to 5.0 allow unauthorized user deletion via /admin/SEMCMS_User.php?Class=Deleted&CF=user. Use Burp Suite to intercept and test deletion requests without valid session cookies. Verify if deletion succeeds without authentication.

Impact Analysis

An attacker could exploit this to delete user accounts without permission, potentially disrupting services or causing data loss. This could affect user access to systems and compromise data integrity.

Compliance Impact

This vulnerability could lead to unauthorized data deletion, violating integrity and availability requirements in GDPR and HIPAA. Non-compliance may result in legal penalties or loss of certification.

Mitigation Strategies

Immediately update SEMCMS to the latest version beyond 5.0. If no update is available, restrict access to /admin/SEMCMS_User.php via server configuration. Implement strict authentication checks for all administrative actions.

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