SQL Injection Vulnerability in SEMCMS by SEMCMS Team
CVE-2026-108813

5.3MEDIUM

Key Information:

Vendor

SEMCMS Team

Status
Semcms
Vendor
CVE Published:
12 October 2026

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2026-108813?

A SQL injection vulnerability exists in the SEMCMS file SEMCMS_Download.php, affecting all versions up to 5.0. This flaw enables remote attackers to execute arbitrary SQL commands by manipulating database queries. The exploit for this vulnerability is publicly available, and despite early communication with the vendor, no response was received regarding necessary security updates.

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-2026-108813 - Proof of Concept

References

https://vuldb.com/vuln/416590
vdb-entry
https://vuldb.com/vuln/416590/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-108813
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
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
.