Arbitrary File Read Vulnerability in 4MOSAn by 4MOSAn Security Technology Co., Ltd.
CVE-2026-78212

8.7HIGH

Key Information:

Vendor

4mosan Security Technology

Status
4mosan Management Center
Vendor
CVE Published:
24 August 2026

What is CVE-2026-78212?

The 4MOSAn software developed by 4MOSAn Security Technology Co., Ltd. is vulnerable to an Arbitrary File Read issue due to a Relative Path Traversal flaw. This vulnerability allows unauthenticated remote attackers to access and download sensitive files from the affected system. Exploiting this flaw can lead to exposure of critical data, making it essential for users to assess their security measures and apply necessary updates.

Affected Version(s)

4MOSAn Management Center 0 < 20260621

References

https://www.twcert.org.tw/tw/cp-132-11119-25dfc-1.html
third-party-advisory
https://www.twcert.org.tw/en/cp-139-11123-79a92-2.html
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.