---
id: CVE-2026-113404
title: Uniong｜WebITR - Insecure Deserialization
summary: >-
  WebITR developed by Uniong has a Insecure Deserialization vulnerability.
  Authenticated remote attackers can use the hard-coded cryptographic key to
  craft and submit malicious serialized data, thereby executing arbitrary code
  on the server.
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-502
vendor: Uniong
product: WebITR
affected:
  - WebITR <= 2_1_0_34
published: '2026-10-20'
updated: '2026-10-20'
sourceUpdated: '2026-10-20T06:24:08.653Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-113404'
references:
  - url: 'https://www.twcert.org.tw/tw/cp-132-11296-d3d95-1.html'
  - url: 'https://www.twcert.org.tw/en/cp-139-11297-7c6f6-2.html'
tags:
  - cve.org
ingestedAt: '2026-10-20T06:54:24.004Z'
---

## Overview

WebITR developed by Uniong has a Insecure Deserialization vulnerability. Authenticated remote attackers can use the hard-coded cryptographic key to craft and submit malicious serialized data, thereby executing arbitrary code on the server.

## Affected

- `WebITR <= 2_1_0_34`

## Remediation

Update to version 2_1_0_36 or later