Answer in brief
CVE-2026-100303 records a Medium severity (CVSS 5.3) vulnerability in TDuck survey form through 6.0 Missing Authorization in Form Theme Management Endpoints. The current sources do not mark it as known exploited. The current feed maps TDuckCloud/tduck-survey-form (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps TDuckCloud/tduck-survey-form (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| TDuckCloud/tduck-survey-formgeneric | >=0 <=6.0 | Not reported |
Published upstream
Sep 25, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 25, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 25, 2026
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.
Quoted source text, attributed separately from HOL analysis.