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-2026-100303
TDuckCloud tduck-survey-form — TDuck survey form through 6.0 Missing Authorization in Form Theme Management Endpoints
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N L N N L L 5.3 .0028 18.4 —
AFFECTED
Product Versions Fixed
tduck-survey-form unspecified —
TIMELINE
Sep 25 Reserved by VulnCheck
Sep 25 Published (CNA: VulnCheck)
Sep 29 EXPLOIT PUBLISHED — CVE-2026-100303 (TDuckCloud tduck-survey-form). Public exploit reference added.
Description
TDuck survey form through 6.0 lacks authorization checks on FormThemeController write endpoints for global form themes and categories. Authenticated non-admin users can add, modify, or delete themes and theme categories affecting forms owned by other users.
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 29, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-100303 (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 | — | — | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-100303 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.
