CVE-2026-41271

HighCVSS 8.3/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 8.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

Weakness enumeration

CWE-918

Affected software

No affected versions have been published.

Timeline

Published
Apr 23, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2026-41271: High severity, CVSS 8.3 | Vulnix