Medium severity4.3NVD Advisory· Published Sep 25, 2026
CVE-2026-100305
CVE-2026-100305
Description
TDuck survey form through 6.0 fails to enforce form fill-in restrictions on the authenticated submission endpoint POST /user/form/data/create. Authenticated attackers who know a form's key can submit unlimited entries to any form, bypassing publish status, time window, quota, and per-IP restrictions to falsify collected results.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <=6.0
Patches
Vulnerability mechanics
References
4- github.com/LinYuanyi1/cve-request-poc/blob/adffc39b78cad18cd489cbf7454853bf0f744b7f/tduck/poc_form_data_create_bypass.pynvd
- github.com/TDuckCloud/tduck-survey-form/blob/43ffa9c993e38936fc4de7d8e5aee82bbaa19502/tduck-api/src/main/java/com/tduck/cloud/api/web/controller/UserFormResultController.javanvd
- github.com/TDuckCloud/tduck-survey-form/blob/43ffa9c993e38936fc4de7d8e5aee82bbaa19502/tduck-form/src/main/java/com/tduck/cloud/form/service/impl/UserFormSettingServiceImpl.javanvd
- www.vulncheck.com/advisories/tduck-survey-form-through-6.0-fill-in-restriction-bypass-via-authenticated-submission-endpointnvd
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