Answer in brief
CVE-2026-100865 records a High severity (CVSS 8.7) vulnerability in Heym before 0.0.53 Remote Code Execution via eval() Sandbox Escape. The current sources do not mark it as known exploited. The current feed maps heymrun/heym (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 8.7. 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 heymrun/heym (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| heymrun/heymgeneric | >=0 <0.0.53 | 0.0.53 |
Published upstream
Sep 27, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 27, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 27, 2026
Heym before 0.0.53 evaluates workflow condition expressions using Python's eval() with insufficient sandboxing in the workflow executor service. Authenticated users can edit workflow condition nodes or import malicious templates to execute arbitrary Python and OS commands as the backend process user.
Quoted source text, attributed separately from HOL analysis.