---
id: CVE-2026-108812
title: A security vulnerability has been detected in SEMCMS up to 5.0
summary: >-
  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 pe…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L'
cwe:
  - CWE-266
  - CWE-285
published: '2026-10-12'
updated: '2026-10-12'
sourceUpdated: '2026-10-12T08:17:19.333'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-108812'
references:
  - url: >-
      https://github.com/ants01/semcmsPHP-V5.0-There-is-an-unauthorized-deletion-of-arbitrary-users.
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-108812'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/964027'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/416589'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/416589/cti'
    label: cna@vuldb.com
tags:
  - nvd
ingestedAt: '2026-10-12T14:50:34.098Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.