CVE-2026-100303

MEDIUM CVSS 5.4 View on NVD ↗

Description

TDuck survey form through 6.0 lacks authorization checks on FormThemeController write endpoints for global form themes and categories. Authenticated non-admin users can add, modify, or delete themes and theme categories affecting forms owned by other users.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

References

https://github.com/LinYuanyi1/cve-request-poc/blob/adffc39b78cad18cd489cbf7454853bf0f744b7f/tduck/poc_form_theme_write.py
https://github.com/TDuckCloud/tduck-survey-form
https://github.com/TDuckCloud/tduck-survey-form/blob/43ffa9c993e38936fc4de7d8e5aee82bbaa19502/tduck-api/src/main/java/com/tduck/cloud/api/web/controller/FormThemeController.java#L61-L120
https://www.vulncheck.com/advisories/tduck-survey-form-through-6.0-missing-authorization-in-form-theme-management-endpoints

Published: Sep 25, 2026 19:16 UTC Modified: Sep 25, 2026 19:16 UTC