CVE-2026-111621mediumCWE-639

CVE-2026-111621: medium-severity vulnerability in TDuckCloud tduck-survey-form

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

Published

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.3epss 0.3%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Affected products
TDuckCloud · tduck-survey-form
Related CVEs — TDuckCloud tduck-survey-form

In the same product, most dangerous first.

CVE-2026-92567HIGHTDuck survey form through 5.0 Unauthorized Data ModificationEPSS 0.4%CVE-2026-92602HIGHTDuck survey form through 5.3 Server-Side Request Forgery via Unvalidated Webhook URLEPSS 0.4%CVE-2026-100306MEDIUMTDuck survey form through 6.0 Write Password Bypass via Client-Side EnforcementEPSS 0.4%CVE-2026-100304MEDIUMTDuck survey form 6.0 Information Disclosure via Fail-Open Form Ownership CheckEPSS 0.4%CVE-2026-109164HIGHTDuck survey form through 6.0 Authorization Bypass via User-Controlled Submission IDs in POST /user/form/data/delete/{formKey}EPSS 0.3%CVE-2026-100303MEDIUMTDuck survey form through 6.0 Missing Authorization in Form Theme Management EndpointsEPSS 0.3%