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CVE-2026-92567— TDuck survey form through 5.0 Unauthorized Data Modification

Quick assessment

Affected
TDuckCloud tduck-survey-form
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TDuck 调查表单（version 5.0 及更早版本）在 POST /user/form/data/update 端点中存在一个授权绕过漏洞，允许经过身份验证的用户覆盖其他用户的表单提交数据。攻击者可以发现以狭窄范围分配的提交标识符，并在没有所有权验证的情况下发送更新请求，从而修改包含个人数据的任意表单响应。

CVSS 6.5 · Medium

Possible ATT&CK Techniques 1 AI

T1079.004
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I. Basic Information for CVE-2026-92567

Vulnerability Information
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Vulnerability Title
TDuck survey form through 5.0 Unauthorized Data Modification
Source: CVE Program / CVE List V5
Vulnerability Description
TDuck survey form through version 5.0 contains an authorization bypass vulnerability in the POST /user/form/data/update endpoint that allows authenticated users to overwrite other users' form submission data. Attackers can discover submission identifiers allocated in narrow ranges and modify arbitrary form responses containing personal data by sending update requests without ownership validation.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
TDuckCloud tduck-survey-form 0 ~ 5.0 -

II. Public POCs for CVE-2026-92567

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III. Intelligence Information for CVE-2026-92567

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Proof of Concept for CVE-2026-92567 (2)

Security Blog Posts for CVE-2026-92567 (1)

Other References for CVE-2026-92567 (1)

IV. Related Vulnerabilities

Same product: tduck-survey-form
Same vendor: TDuckCloud
Same weakness: CWE-639

V. Comments for CVE-2026-92567

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