Skip to content
Heist/ feed
Medium

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

Type: advisorySource: Official CVE List1 source record

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.

Announced Source revision 1
Original source ↗

CVE-2026-100304

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-100304

tduck-survey-form

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://github.com/TDuckCloud/tduck-survey-form",
    "vendor": "TDuckCloud",
    "product": "tduck-survey-form",
    "versions": [
      {
        "status": "affected",
        "version": "6.0",
        "versionType": "custom"
      }
    ],
    "collectionURL": "https://github.com/TDuckCloud/tduck-survey-form",
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-100304

Source reference: /cveMetadata/cveId

Publisher severity

medium

Source reference: /containers/cna/metrics

Event
#3888 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement