e-Excellence U-Office Force up to 29.50 deserialization

Summaryinfo

A vulnerability was found in e-Excellence U-Office Force up to 29.50. It has been classified as very critical. The impacted element is an unknown function. The manipulation leads to deserialization. This vulnerability is documented as CVE-2026-3422. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in e-Excellence U-Office Force up to 29.50. This issue affects an unknown code block. The manipulation with an unknown input leads to a deserialization vulnerability. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at twcert.org.tw. The identification of this vulnerability is CVE-2026-3422 since 03/02/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/03/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-9149). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• e-Excellence

Name

• U-Office Force

Version

• 29.0
• 29.1
• 29.2
• 29.3
• 29.4
• 29.5
• 29.6
• 29.7
• 29.8
• 29.9
• 29.10
• 29.11
• 29.12
• 29.13
• 29.14
• 29.15
• 29.16
• 29.17
• 29.18
• 29.19
• 29.20
• 29.21
• 29.22
• 29.23
• 29.24
• 29.25
• 29.26
• 29.27
• 29.28
• 29.29
• 29.30
• 29.31
• 29.32
• 29.33
• 29.34
• 29.35
• 29.36
• 29.37
• 29.38
• 29.39
• 29.40
• 29.41
• 29.42
• 29.43
• 29.44
• 29.45
• 29.46
• 29.47
• 29.48
• 29.49
• 29.50

CPE 2.3info

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CPE 2.2info

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Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

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