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CVE-2026-100304mediumCWE-636

TDuck survey form 6.0 Information Disclosure via Fail-Open Form Ownership Check

33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 6epss 0.4%
exploitation probability
0.4%top 74% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
TDuck 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. Attackers can read orphaned submission data including personal information by providing a known dataId to the GET /user/form/data/details endpoint after the form has been permanently deleted.
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.