CVE-2026-3422 e-Excellence｜U-Office Force - Insecure Deserialization

Critical 9.3 Published 2 Mar 2026 Updated 2 Mar 2026

Unauthenticated attackers can execute arbitrary code on U-Office Force servers via insecure deserialization of crafted serialized content.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-3422?

CVE-2026-3422 is a critical unsafe deserialization vulnerability in e-Excellence U-Office Force, published on 2 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

U-Office Force developed by e-Excellence has a Insecure Deserialization vulnerability, allowing unauthenticated remote attackers to execute arbitrary code on the server by sending maliciously crafted serialized content.

Weakness: CWE-502

Which versions are affected by CVE-2026-3422?

It affects 1 product.

Products include Edetw U-Office Force.

How do I fix CVE-2026-3422?

No fix has been published for CVE-2026-3422 yet. Limit exposure of the affected software until one is available.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2026-3422 being exploited?

There is no known exploitation of CVE-2026-3422 in the wild and no public exploit code.

Sources

Also known as GHSA-6942-jvg8-w9h4.