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TI-2026-70949 Aliases CVE-2026-109164GHSA-cjgh-vqwv-7g46

Authorization bypass in TDuck survey form allows submission deletion

Priority MEDIUM 64CWE-639Published · Updated

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 · Low · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

TDuckCloud tduck-survey-form through 6.0 contains an insecure direct object reference in form submission deletion, tracked as CWE-639. An authenticated user can delete form submissions belonging to other users by supplying arbitrary submission IDs, which removes them permanently. A public exploit is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

TDuck survey form through 6.0 contains an insecure direct object reference vulnerability that allows authenticated users to delete other users' form submissions by supplying arbitrary submission ids. Attackers can place their own formKey in the path and iterate sequential submission ids in the request body to permanently delete submissions platform-wide.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00309 23rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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

VendorProductAffected versionsFixed inStatusSource
TDuckCloudtduck-survey-formup to 6.0—No fix listedCNA
  • tduck-survey-form VendorTDuckCloud Affected up to 6.0 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for tduck-survey-form.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-12 Threatist record created from CVE-2026-109164
  2. 2026-10-12 Alias added: GHSA-cjgh-vqwv-7g46
  3. 2026-10-13 Priority changed: MEDIUM → LOW
  4. 2026-10-26 CISA SSVC decision points changed
  5. 2026-10-26 Priority changed: LOW → MEDIUM

References

Exploit 1

Other 2

  • 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-2026-62458 TDuck survey form through 5.3 Server-Side Request Forgery via Unvalidated Webhook URL CVSS 4.0HIGH 7.1
  • TI-2026-64636 TDuck survey form 6.0 Information Disclosure via Fail-Open Form Ownership Check CVSS 4.0MEDIUM 6.0
See all 17 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences