Medium 6.0Published Jun 23, 2026

CVE-2026-56275Flowise - Server-Side Request Forgery via Execute Flow Base URL

Updated under an hour ago (Oct 28, 2026, 12:10 AM ET)

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It affects Flowise and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Flowise

Exploited in the last 30 days

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.

CVSS: 6.0 MEDIUM (v4.0, CNA)CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
Weakness (CWE): CWE-918
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Analyzed
Record last updated: Jun 23, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Flowise Flowise flowise:flowise (from the name)	before 3.1.0; 3.1.0 not affected	CNA record
flowiseai flowise flowiseai:flowise	before 3.1.0	NVD

References

References

https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-9hrv-gvrv-6gf2	vendor-advisory, exploit, third-party-advisory
https://www.vulncheck.com/advisories/flowise-server-side-request-forgery-via-execute-flow-base-url	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.