Unrated severityNVD Advisory· Published Jun 23, 2026· Updated Jun 23, 2026
Flowise - Server-Side Request Forgery via Execute Flow Base URL
CVE-2026-56275
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1Patches
Vulnerability mechanics
No source-code context for this CVE — mechanics is only generated when we can read the actual fix diff. Without that, the four sections (root cause, attack vector, affected code, fix) would be speculation rather than analysis.
References
2- github.com/FlowiseAI/Flowise/security/advisories/GHSA-9hrv-gvrv-6gf2mitrevendor-advisory
- www.vulncheck.com/advisories/flowise-server-side-request-forgery-via-execute-flow-base-urlmitrethird-party-advisory
News mentions
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