TDuck survey form through 6.0 contains a broken access control vulnerability that allows authenticated users to add fields to other users' forms via POST /user/form/item/batch/create. Attackers can submit an array whose first element references their own form and later elements reference a victim's formKey, injecting attacker-chosen fields onto the victim's public fill page.
Metrics
Affected Vendors & Products
References
History
Thu, 15 Oct 2026 13:30:00 +0000
| Type | Values Removed | Values Added |
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| Metrics |
ssvc
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Mon, 12 Oct 2026 15:00:00 +0000
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| First Time appeared |
Tduckcloud
Tduckcloud tduck-survey-form |
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| Vendors & Products |
Tduckcloud
Tduckcloud tduck-survey-form |
Mon, 12 Oct 2026 13:15:00 +0000
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| Description | TDuck survey form through 6.0 contains a broken access control vulnerability that allows authenticated users to add fields to other users' forms via POST /user/form/item/batch/create. Attackers can submit an array whose first element references their own form and later elements reference a victim's formKey, injecting attacker-chosen fields onto the victim's public fill page. | |
| Title | TDuck survey form through 6.0 Authorization Bypass via User-Controlled Form Key in POST /user/form/item/batch/create | |
| Weaknesses | CWE-639 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-10-12T13:10:30.927Z
Updated: 2026-10-14T17:41:17.318Z
Reserved: 2026-10-12T12:41:06.299Z
Link: CVE-2026-109165
Updated: 2026-10-14T17:41:09.851Z
Status : Deferred
Published: 2026-10-12T13:17:28.613
Modified: 2026-10-16T19:18:44.867
Link: CVE-2026-109165
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