TDuck survey form through 5.0 Unauthorized Data Modification
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-639.
Summary
TDuck survey form through version 5.0 contains an authorization bypass vulnerability in the POST /user/form/data/update endpoint that allows authenticated users to overwrite other users' form submission data. Attackers can discover submission identifiers allocated in narrow ranges and modify arbitrary form responses containing personal data by sending update requests without ownership validation.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| TDuckCloud | tduck-survey-form | up to 5.0 | — | No fix listed | CNA |
- tduck-survey-form VendorTDuckCloud Affected up to 5.0 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-92567
- 2026-10-03 Alias added: GHSA-cxpf-jm7w-39v7
References
Other 4
- GitHub Issue #39
- https://github.com/TDuckCloud/tduck-survey-form
- https://github.com/TDuckCloud/tduck-survey-form/blob/9ad4e2dc75cdff5eacc8be0c73f0d4db3c265d43/tduck-api/src/main/java/com/tduck/cloud/api/web/controller/UserFormResultController.java#L198-L207
- https://github.com/TDuckCloud/tduck-survey-form/blob/9ad4e2dc75cdff5eacc8be0c73f0d4db3c265d43/tduck-form/src/main/java/com/tduck/cloud/form/service/impl/UserFormDataServiceImpl.java#L158-L167
More TDuckCloud vulnerabilities
- TI-2025-35590 SQL Injection vulnerability in TDuckCloud v.5.1 allows a remote attacker to execute… CVSS 3.1CRITICAL 9.8
- TI-2026-64638 TDuck survey form through 6.0 Write Password Bypass via Client-Side Enforcement CVSS 4.0MEDIUM 6.9
- TI-2024-08062 TDuckCloud TDuckPro password recovery CVSS 4.0MEDIUM 6.9
- TI-2023-28429 SQL Injection vulnerability in TDuckCLoud tduck-platform v.4.0 allows a remote attacker… CVSS 3.1HIGH 8.1
- TI-2026-70949 Authorization bypass in TDuck survey form allows submission deletion CVSS 4.0HIGH 7.1
- TI-2026-62458 TDuck survey form through 5.3 Server-Side Request Forgery via Unvalidated Webhook URL CVSS 4.0HIGH 7.1
Sources
- CVE-2026-92567 · CVE Program
- CVE-2026-92567 · NVD
- FIRST EPSS
- GHSA-cxpf-jm7w-39v7 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences