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CVE-2026-56275

MEDIUM
6.0
CVSS 4.0
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.

Metadata

CVE ID
CVE-2026-56275
State
PUBLISHED
Assigner
VulnCheck
Reserved
2026-06-20 01:47 UTC
Published
2026-06-23 12:13 UTC
Last updated
2026-06-23 13:57 UTC
Primary CWE
CWE-918
Server-Side Request Forgery (SSRF)
Vendor / Product
Flowise / Flowise
Sources
cve.org  ·  NVD

Severity & Metrics

6.0 MEDIUM CVSS 4.0
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
SSVC — CISA Coordinator
Exploitation
none
Automatable
no
Tech. Impact
partial
Affected products (2)
VendorProductPlatformVersions
Flowise Flowise — 0 < 3.1.0, 3.1.0
Flowise Flowise — 0 < 3.1.0, 3.1.0
Weakness (CWE)
CWESourceDescription
CWE-918 cna Server-Side Request Forgery (SSRF)
CVSS scores (1)
ScoreSeverityVersionSourceVector
6.0 MEDIUM 4.0 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
References (2)
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