Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-73486
FlowiseAI Flowise — Flowise before 3.1.3 Code Injection via CSV Agent customReadCSV
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N H N L N H H H 9.0 .0066 49.9 —
AFFECTED
Product Versions Fixed
Flowise unspecified 3.1.3
Flowise unspecified 3.1.3
TIMELINE
Aug 12 Reserved by VulnCheck
Aug 13 Published (CNA: VulnCheck)
Sep 3 EXPLOIT PUBLISHED — CVE-2026-73486 (FlowiseAI Flowise). Public exploit reference added.
Description
Flowise before 3.1.3 contains a code injection vulnerability in the CSV Agent node's customReadCSV parameter that allows authenticated attackers to execute arbitrary Python code. The validator uses a static regex blocklist that can be bypassed through obfuscation techniques, enabling attackers to execute code in the unsandboxed pyodide environment with full system access.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| August 12, 2026 | Reserved | Reserved by VulnCheck |
| August 13, 2026 | Published | Published (CNA: VulnCheck) |
| September 3, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-73486 (FlowiseAI Flowise). Public exploit reference added. |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| FlowiseAI | Flowise | — | — | 3.1.3 |
| FlowiseAI | Flowise | — | — | 3.1.3 |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-73486 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 Sunday, October 4, 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.
