CVE-2026-41271: 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…

PriorityP355high8.3CVSS 3.1

AVNACLPRLUINSUCHIHAL

EPSS

0.23%

14.0th percentile

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.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
flowiseai	flowise	< 3.1.0	3.1.0
flowiseai	flowise-components	< 3.1.0	3.1.0

CVSS provenance

nvdv3.18.3HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

nvdv3.07.1HIGHCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L

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