Missing Authentication Vulnerability in Sanluan PublicCMS Trade Address Query Handler
CVE-2026-8737

6.9MEDIUM

Key Information:

Vendor

Sanluan

Status
Vendor
CVE Published:
17 May 2026

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2026-8737?

A vulnerability in Sanluan PublicCMS version 5.202506.d allows attackers to exploit the 'execute' function within the Trade Address Query Handler. This flaw enables remote execution of unauthorized operations by manipulating the 'userId' argument, leading to a potential compromise of user authentication. This vulnerability has been publicly disclosed and may be actively exploited, as the vendor has not provided a response or remediation.

Affected Version(s)

PublicCMS 5.202506.d

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.

References

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
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

vulnplusbot (VulDB User)
VulDB CNA Team
.