CVE-2026-100306 in TDuck Survey Form

Summary

by MITRE • 09/25/2026

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.

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• Responsible: VulnCheck
• Reservation: 09/25/2026
• Disclosure: 09/25/2026
• Moderation: accepted
• Entry: VDB-410425
• CPE: ready
• CWE: CWE-287 (confirmed)
• CVSS: 5.3 (CNA)
• EPSS: 0.00000
• KEV: no
• Activities: very low
• Sector: Education

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-100306
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-100306
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-100306/