CVE-2026-100304
Medium
Description
TDuck survey form 6.0 contains an information disclosure vulnerability in FormAuthUtils.hasPermission that fails open when a form does not exist, allowing authenticated users to access deleted form submissions. Attackers can read orphaned submission data including personal information by providing a known dataId to the GET /user/form/data/details endpoint after the form has been permanently deleted.
SeverityMedium
CVSS5.3
Exploit probability—
ProductTduckcloud Tduck-survey-form
PublishedSep 25, 2026
First seenSep 25, 2026
Weakness typeCWE-636CWE-636
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| TDuckCloud tduck-survey-form | 6.0 | — |
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