CVE-2026-100304

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

Published Sep 25, 2026 CVSS 4.0 · 6 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Tduckcloud
Tduckcloud tduck-survey-form
Vendors & Products Tduckcloud
Tduckcloud tduck-survey-form
Type Values Removed Values Added
Description 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.
Title TDuck survey form 6.0 Information Disclosure via Fail-Open Form Ownership Check
Weaknesses CWE-636
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 6, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 29, 2026, 5:51 PM
Reserved
Sep 25, 2026, 6:18 PM
Status
Deferred
Published
Sep 25, 2026, 7:16 PM
Modified
Sep 29, 2026, 6:17 PM