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HIGH severity

CVE-2026-109164 — AnkesKasty

HIGH

CVE-2026-109164 is a high-severity (CVSS 7.1) CWE-639 vulnerability. No vendor fix is recorded yet; mitigation options are listed below.

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…

Published
Updated
Affected
—
Patched
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Exploits
None indexed
Exploitation data as of Oct 12, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Description

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.

Detection & mitigation playbook

Vulnerability
  1. Detect

    Identify every host running the affected component and compare the installed build against the fixed version below — for source-built or distro-packaged software the version string, not a lockfile, is the source of truth (`dpkg -l`, `rpm -q`, or the binary's own `--version`).

  2. Remediation status

    No fixed release is recorded for CVE-2026-109164 yet. Track the upstream advisory, and apply the exposure-reduction steps below in the meantime.

  3. Mitigate without a patch

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

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.
O3 Security · Impact-Aware SCA

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