TDuck Survey Form through 5.3 Missing Authorization via /user/form/setting/{key}

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-111621 · Microsoft / collected KEV context

cve-program · CVE-2026-111621

• https://hackmd.io/@hieuPenguinnn/tduck-survey-form-setting-cross-user-disclosure
• 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
• https://github.com/TDuckCloud/tduck-survey-form/commit/984efd69f51778e3d1a9ea0feb0f7c9aed266c18
• https://github.com/TDuckCloud/tduck-survey-form
• https://www.vulncheck.com/advisories/tduck-survey-form-through-5.3-missing-authorization-via-user-form-setting-key

No related operational record is retained in the current change model.