Arbitrary File Upload Vulnerability in CTMS and CPAS by Sunnet
CVE-2026-7490

8.6HIGH

Key Information:

Vendor

Sunnet

Status
Ctms
Cpas
Vendor
CVE Published:
2 May 2026

What is CVE-2026-7490?

An Arbitrary File Upload vulnerability exists in CTMS and CPAS developed by Sunnet, allowing attackers with elevated privileges to upload arbitrary files. This flaw enables the execution of malicious web shell backdoors on the server, facilitating unauthorized access and control over the affected system. Organizations using these products should take immediate action to mitigate this risk.

Affected Version(s)

CPAS 0

CTMS 0

References

https://www.twcert.org.tw/tw/cp-132-10894-1ac1f-1.html
third-party-advisory
https://www.twcert.org.tw/en/cp-139-10895-25ca1-2.html
third-party-advisory

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.