Quick answers
- Is CVE-2026-100305 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-100305 being exploited in the wild.
- How severe is CVE-2026-100305?
- Medium severity, with a CVSS score of 4.3, published 25 September 2026.
- Which products and versions are affected?
- Tduckcloud Tduck-Survey-Form through 6.0.
- Is there a fix for CVE-2026-100305?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-100305 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-100305?
- Check whether you run Tduckcloud Tduck-Survey-Form at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
The POST /user/form/data/create endpoint fails to invoke the getUserFormWriteSettingStatus validation function, unlike the public submission endpoint POST /user/form/data/public/create, allowing authenticated attackers with knowledge of a form's key to bypass publish status, time window, quota, and per-IP restrictions. The write password is also never validated server-side on the authenticated path. An attacker gains the ability to inject arbitrary form submissions to any form they have access to.
Affected products
- TDuckCloud tduck-survey-form through 6.0
Timeline
- 2026-09-25: disclosed