Vulnerability 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/LinYuanyi1/cve-request-poc/blob/adffc39b78cad18cd489cbf745485
- https://github.com/TDuckCloud/tduck-survey-form
- https://github.com/TDuckCloud/tduck-survey-form/blob/43ffa9c993e38936fc4de7d8e5a
- https://github.com/TDuckCloud/tduck-survey-form/blob/43ffa9c993e38936fc4de7d8e5a
- https://www.vulncheck.com/advisories/tduck-survey-form-through-6.0-write-passwor
FAQ
What is CVE-2026-100306?
CVE-2026-100306 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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...
How severe is CVE-2026-100306?
CVE-2026-100306 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-100306?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.