---
title: "CVE-2026-92602: TDuck survey form - Broken Access Control"
description: "TDuck survey form through 5.3 contains a broken access control vulnerability caused by lack of webhook URL validation and form ownership verification in WebhookConfigController, letting authenticated attackers attach webhooks to other users' forms and exfiltrate submissions."
url: https://panop.io/threat-heartbeat/CVE-2026-92602/
---

# CVE-2026-92602 TDuck survey form - Broken Access Control

TDuck survey form through 5.3 contains a broken access control vulnerability caused by lack of webhook URL validation and form ownership verification in WebhookConfigController, letting authenticated attackers attach webhooks to other users' forms and exfiltrate submissions.

CVSS base score 7.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.40% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-92602)

## Details

Type

Broken Access Control

Impact

Information Disclosure

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Published

16 September 2026

Updated

15 October 2026

Weakness

[CWE-918](https://cwe.mitre.org/data/definitions/918.html)

## Vendor fix

Update to the latest version that includes webhook URL validation and ownership verification.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-92602](https://nvd.nist.gov/vuln/detail/CVE-2026-92602)
- [https://github.com/TDuckCloud/tduck-survey-form](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/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://github.com/TDuckCloud/tduck-survey-form/blob/9ad4e2dc75cdff5eacc8be0c73f0d4db3c265d43/tduck-webhook/src/main/java/com/tduck/cloud/webhook/service/sender/WebhookSenderService.java#L84-L100)
- [https://github.com/TDuckCloud/tduck-survey-form/issues/40](https://github.com/TDuckCloud/tduck-survey-form/issues/40)
- [https://www.vulncheck.com/advisories/tduck-survey-form-through-5.3-server-side-request-forgery-via-unvalidated-webhook-url](https://www.vulncheck.com/advisories/tduck-survey-form-through-5.3-server-side-request-forgery-via-unvalidated-webhook-url)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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