CVE-2026-109165Medium· 4.3▾ TwilightPoC availableTDuck survey form through 6.0 contains a broken access control vulnerability that allows authenticated users to add fields to other users' forms via POST /user/form/item/batch/create. Attackers can submit an array whose first element ref…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 23.7 · likelihood 0 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Oct 14.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.2%
Exploit / PoC code exists
Last analysed / modified upstream
TDuck survey form through 6.0 contains a broken access control vulnerability that allows authenticated users to add fields to other users' forms via POST /user/form/item/batch/create. Attackers can submit an array whose first element references their own form and later elements reference a victim's formKey, injecting attacker-chosen fields onto the victim's public fill page.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-109164High· 7.1TDuck 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
CVE-2026-109167Medium· 4.3TDuck survey form through 6.0 contains an insecure direct object reference vulnerability in the saveFormTheme handler that allows authenticated users to overwrite other users' form themes
CVE-2026-111621Medium· 4.3TDuck 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}
CVE-2026-92567Medium· 6.5TDuck survey form through version 5.0 contains an authorization bypass vulnerability in the POST /user/form/data/update endpoint that allows authenticated users to overwrite other users' form submission data
CVE-2026-100303Medium· 5.4TDuck survey form through 6.0 lacks authorization checks on FormThemeController write endpoints for global form themes and categories
CVE-2026-100304Medium· 5.3TDuck survey form 6.0 contains an information disclosure vulnerability in FormAuthUtils.hasPermission that fails open when a form does not exist, allowing authenticated users to access deleted form submissions