CVE-2026-109164
7.1, highTDuckCloud tduck-survey-form Authorization Bypass Through User-Controlled Key Vulnerability
- CVSS
- 7.1, high high CVSS v3.1
- EPSS, next 30 days
- 0.3% higher than 22.1% of scored CVEs
- Exploitation
- No public evidence
- Published
- 12 Oct 20265 days ago
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.
Details
- Vendor
- TDuckCloud
- Product
- tduck-survey-form
- Weakness
- CWE-639 (opens in a new tab)
- Status
- Deferred
- Updated
- 16 Oct 2026
- Assigner
- disclosure@vulncheck.com
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
References 4
Other references 4
- github.com /AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/tduck/poc_form_data_delete_idor.py (opens in a new tab)
- github.com /TDuckCloud/tduck-survey-form/blob/43ffa9c993e38936fc4de7d8e5aee82bbaa19502/tduck-api/src/main/java/com/tduck/cloud/api/web/controller/UserFormResultController.java#L182-L187 (opens in a new tab)
- github.com /TDuckCloud/tduck-survey-form/blob/43ffa9c993e38936fc4de7d8e5aee82bbaa19502/tduck-form/src/main/java/com/tduck/cloud/form/service/impl/UserFormDataServiceImpl.java#L149-L154 (opens in a new tab)
- vulncheck.com /advisories/tduck-survey-form-through-6.0-authorization-bypass-via-user-controlled-submission-ids-in-post-user-form-data-delete-formkey (opens in a new tab)
The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.
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Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.