CVE-2026-100306: Client-Side Enforcement of Server-Side Security in TDuckCloud tduck-survey-form
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.
CVE-2026-100306: Client-Side Enforcement of Server-Side Security in TDuckCloud tduck-survey-form
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 v4.0
Score 6.9medium
Affected software
TDuckCloud
tduck-survey-form
pkg:github/tduck-survey-formRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-09-25T18:19:39.535Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ab6c577f7a7c5410629b62c
Added to database: 09/25/2026, 19:03:19 UTC
Last updated: 09/25/2026, 19:03:19 UTC
Views: 1
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.