Improper Authorization in SEMCMS Leads to Remote Exploit Potential
CVE-2026-108812

6.9MEDIUM

Key Information:

Vendor

SEMCMS

Status
Semcms
Vendor
CVE Published:
12 October 2026

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2026-108812?

A security vulnerability has been identified in SEMCMS, specifically in the function located at /admin/SEMCMS_User.php?Class=Deleted&CF=user. This flaw permits unauthorized access, potentially allowing attackers to manipulate user data without appropriate permissions. The issue can be exploited remotely, increasing the risk to users of SEMCMS. Despite early notifications regarding this vulnerability, the vendor did not respond, raising concerns about the urgency of addressing this issue. Organizations using SEMCMS versions up to 5.0 should take immediate action to mitigate potential risks from this flaw.

Affected Version(s)

SEMCMS 5.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-108812 - Proof of Concept

References

https://vuldb.com/vuln/416589
vdb-entry
https://vuldb.com/vuln/416589/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-108812
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

qq150180 (VulDB User)
VulDB CNA Team
.