Unrestricted File Upload Vulnerability in Metasoft MetaCRM Software
CVE-2026-16324

6.9MEDIUM

Key Information:

Vendor

Metasoft 美特软件

Status
Metacrm
Vendor
CVE Published:
20 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-16324?

A vulnerability has been discovered in the MetaCRM software from Metasoft, affecting versions up to 6.4.0 Beta06. This flaw resides in the file /business/qnaire/upload.jsp, where an unknown function allows for unrestricted file uploads. This capability could enable attackers to upload malicious files remotely, raising serious security concerns. The exploit is publicly available, posing a threat to users who have not implemented appropriate mitigations. Despite attempts to notify the vendor, there has been no response regarding this significant issue.

Affected Version(s)

MetaCRM 6.4.0 Beta06

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-2026-16324 - Proof of Concept

References

https://vuldb.com/vuln/380685
vdb-entrytechnical-description
https://vuldb.com/vuln/380685/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-16324
third-party-advisory

CVSS V4

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

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

bigbrother_man (VulDB User)
VulDB CNA Team
.