Medium severity6.5NVD Advisory· Published Sep 16, 2026· Updated Sep 24, 2026
CVE-2026-92567
CVE-2026-92567
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.
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Affected products
1- Range: <=5.0
Patches
Vulnerability mechanics
References
4- github.com/TDuckCloud/tduck-survey-form/blob/9ad4e2dc75cdff5eacc8be0c73f0d4db3c265d43/tduck-api/src/main/java/com/tduck/cloud/api/web/controller/UserFormResultController.javanvd
- github.com/TDuckCloud/tduck-survey-form/blob/9ad4e2dc75cdff5eacc8be0c73f0d4db3c265d43/tduck-form/src/main/java/com/tduck/cloud/form/service/impl/UserFormDataServiceImpl.javanvd
- github.com/TDuckCloud/tduck-survey-form/issues/39nvd
- www.vulncheck.com/advisories/tduck-survey-form-through-5.0-unauthorized-data-modificationnvd
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