CVE-2026-109164
High
Description
TDuck survey form through 6.0 contains an insecure direct object reference vulnerability that allows authenticated users to delete other users' form submissions by supplying arbitrary submission ids. Attackers can place their own formKey in the path and iterate sequential submission ids in the request body to permanently delete submissions platform-wide.
SeverityHigh
CVSS7.1
Exploit probability—
ProductTduckcloud Tduck-survey-form
PublishedOct 12, 2026
First seenOct 12, 2026
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 | v ≤ 6.0 | — |
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