Insecure Deserialization Vulnerability in U-Office Force by e-Excellence
CVE-2026-3422

9.3CRITICAL

Key Information:

Vendor

E-excellence

Status
U-office Force
Vendor
CVE Published:
2 March 2026

What is CVE-2026-3422?

The U-Office Force application developed by e-Excellence is vulnerable to an Insecure Deserialization issue, enabling unauthorized remote attackers to execute arbitrary code on the server. This vulnerability arises when maliciously crafted serialized content is sent to the server, exploiting the application's handling of serialized data. As a result, attackers can potentially manipulate server behavior, leading to serious security breaches. Organizations using this product should review their security posture and apply the necessary patches to mitigate risks associated with this vulnerability.

Affected Version(s)

U-Office Force 0 <= 29.50

References

https://www.twcert.org.tw/tw/cp-132-10742-45b13-1.html
third-party-advisory
https://www.twcert.org.tw/en/cp-139-10743-9a952-2.html
third-party-advisory

CVSS V4

Score:
9.3
Severity:
CRITICAL
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

.