Vulnerability
CVE-2026-100306
Descriptive record received from OpenCTI and minimised for consultation in the Intel portal.
- Sharing
- PUBLIC-OSINT
- Confidence
- 100
- Source
- The CVE Program
- Updated
- 26/09/2026 02:32
Description
TDuck survey form through 6.0 fails to validate write passwords on submission endpoints, enforcing the check only on the front end. Remote unauthenticated attackers can submit form entries directly to public submission APIs without providing the password by using the form key from share links.
Aliases and classifications
CWE-602Client-Side Enforcement of Server-Side Security
Minimised technical details
No raw data- cisa kev
- False
- cvss score
- 5.3
- cvss vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- cvss severity
- MEDIUM
Provenance
Public references
- VulnCheck Advisory: TDuck survey form through 6.0 Write Password Bypass via Client-Side Enforcement
https://www.vulncheck.com/advisories/tduck-survey-form-through-6.0-write-password-bypass-via-client-side-enforcement - exploit
https://github.com/LinYuanyi1/cve-request-poc/blob/adffc39b78cad18cd489cbf7454853bf0f744b7f/tduck/poc_form_data_create_bypass.py - technical-description
https://github.com/TDuckCloud/tduck-survey-form/blob/43ffa9c993e38936fc4de7d8e5aee82bbaa19502/tduck-api/src/main/java/com/tduck/cloud/api/web/controller/UserFormResultController.java - product
https://github.com/TDuckCloud/tduck-survey-form - technical-description
https://github.com/TDuckCloud/tduck-survey-form/blob/43ffa9c993e38936fc4de7d8e5aee82bbaa19502/tduck-api/src/main/java/com/tduck/cloud/api/web/controller/UserFormSettingController.java
EudorIA correlation
Intel catalogue
The vulnerability is also available in the EudorIA editorial catalogue.
Open EudorIA analysisPresence in OpenCTI describes an intelligence correlation and does not, by itself, constitute evidence of compromise, legal attribution or operational guidance applicable without context verification.