Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
Flowise - Server-Side Request Forgery via Execute Flow Base URL
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N H N L N H L N 6.0 .0021 12.1 —
AFFECTED
Product Versions Fixed
Flowise unspecified 3.1.0
Flowise unspecified 3.1.0
TIMELINE
Jun 20 Reserved by VulnCheck
Jun 23 EXPLOIT PUBLISHED — CVE-2026-56275 (Flowise). Public exploit reference added.
Jun 23 Published (CNA: VulnCheck)
Description
Flowise before 3.1.0 contains a server-side request forgery vulnerability in the Execute Flow node that allows attackers to bypass security validation by providing intranet addresses through the base URL field. Attackers can initiate HTTP requests to internal network addresses, access cloud metadata, and enumerate internal services by exploiting the missing secureFetch verification in httpSecurity.ts.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| June 20, 2026 | Reserved | Reserved by VulnCheck |
| June 23, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-56275 (Flowise). Public exploit reference added. |
| June 23, 2026 | Published | Published (CNA: VulnCheck) |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Flowise | Flowise | — | — | 3.1.0 |
| Flowise | Flowise | — | — | 3.1.0 |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-56275 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 Wednesday, August 19, 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.