What is CVE-2026-56275?

CVE-2026-56275 is a high-severity vulnerability in Flowise, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.1/10. Published 2026-06-23.

How severe is CVE-2026-56275?

High severity. CVSS v3 base score is 7.1 out of 10.

SSRF in Flowise

CVE-2026-56275

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…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.002 (12.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N.

Affected products

Flowise — versions 0, 3.1.0
Flowiseai Flowise

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

disclosure@vulncheck.com (Exploit, vendor-advisory, Third Party Advisory)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-56275?: CVE-2026-56275 is a high-severity vulnerability in Flowise, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.1/10. Published 2026-06-23.
How severe is CVE-2026-56275?: High severity. CVSS v3 base score is 7.1 out of 10.