Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-100306

CVE-2026-100306MEDIUM

TDuckCloud tduck-survey-form — TDuck survey form through 6.0 Write Password Bypass via Client-Side Enforcement

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   N   N   N   L   N    6.9   .0039   30.5     —

AFFECTED
  Product            Versions     Fixed
  tduck-survey-form  unspecified  —

TIMELINE
  Sep 25  Reserved by VulnCheck
  Sep 25  Published (CNA: VulnCheck)
  Sep 30  EXPLOIT PUBLISHED — CVE-2026-100306 (TDuckCloud tduck-survey-form). Public exploit reference added.

CWE-602 · CNA: VulnCheck · CVSS v4.0 · 5 references · NVD status: Deferred

Description

TDuck survey form through 6.0 fails to validate write passwords on submission endpoints, enforcing the check only on the front end. Remote unauthenticated attackers can submit form entries directly to public submission APIs without providing the password by using the form key from share links.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
September 25, 2026	Reserved	Reserved by VulnCheck
September 25, 2026	Published	Published (CNA: VulnCheck)
September 30, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-100306 (TDuckCloud tduck-survey-form). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
TDuckCloud	tduck-survey-form	—	—	—

Weaknesses

CWE-602

References (5)

Authoritative record: CVE-2026-100306 at cve.org

Vendors: tduckcloud

Weaknesses: CWE-602

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-100306 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Saturday, October 3, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.