{"id":"CVE-2026-111621","published":"2026-10-16T18:17:41.837","lastModified":"2026-10-16T22:17:21.067","description":"TDuck Survey Form through 5.3 contains a missing authorization vulnerability that allows any authenticated user to read other owners' raw form settings via GET /user/form/setting/{key}. Attackers can supply the 8-character form key from a public fill link to obtain the form write password, owner notification e-mail, and WeChat openIds.","cvssScore":4.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","cwes":["CWE-639"],"vendors":[],"products":[],"references":[{"url":"https://github.com/TDuckCloud/tduck-survey-form","tags":[]},{"url":"https://github.com/TDuckCloud/tduck-survey-form/blob/5.3/tduck-api/src/main/java/com/tduck/cloud/api/web/controller/UserFormSettingController.java#L66-L75","tags":[]},{"url":"https://github.com/TDuckCloud/tduck-survey-form/commit/984efd69f51778e3d1a9ea0feb0f7c9aed266c18","tags":[]},{"url":"https://hackmd.io/@hieuPenguinnn/tduck-survey-form-setting-cross-user-disclosure","tags":[]},{"url":"https://www.vulncheck.com/advisories/tduck-survey-form-through-5.3-missing-authorization-via-user-form-setting-key","tags":[]}],"exploitRefs":[{"url":"https://github.com/TDuckCloud/tduck-survey-form","tags":[]},{"url":"https://github.com/TDuckCloud/tduck-survey-form/blob/5.3/tduck-api/src/main/java/com/tduck/cloud/api/web/controller/UserFormSettingController.java#L66-L75","tags":[]},{"url":"https://github.com/TDuckCloud/tduck-survey-form/commit/984efd69f51778e3d1a9ea0feb0f7c9aed266c18","tags":[]}],"hasPoc":true,"ai":null}