CVE-2026-41271HIGH 8.3EPSS p13.9%

CVE-2026-41271CVE-2026-41271

Description

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, a Server-Side Request Forgery (SSRF) vulnerability exists in FlowiseAI's POST/GET API Chain components that allows unauthenticated attackers to force the server to make arbitrary HTTP requests to internal and external systems. By injecting malicious prompt templates, attackers can bypass the intended API documentation constraints and redirect requests to sensitive internal services, potentially leading to internal network reconnaissance and data exfiltration. This vulnerability is fixed in 3.1.0.

Scoring

CVSS 3.18.3 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
EPSS0.23% probability of exploitation · percentile 13.9% · 2026-06-19T12:03:05Z
Published2026-04-23
Last modified2026-04-24

Underlying weaknesses· 1

CWE-918

References

  1. https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-6r77-hqx7-7vw8
  2. https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-6r77-hqx7-7vw8

1

TypeTargetConfidenceTier
WeaknessServer-Side Request Forgery (SSRF)cwe-9180%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.