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LLMHigh

CVE-2026-41271: Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.…

Occurred
Apr 23, 2026
Published
Apr 23, 2026
Source
NVD CVE

Summary

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.

Tags

  • CVE
  • CVE-2026-41271
  • cvss:HIGH

Classification

Category confidence: 90%
Severity confidence: 85%

Rationale: SSRF vulnerability in LLM workflow tool allows data exfiltration and network reconnaissance.

Classifier: Qwen/Qwen3.5-35B-A3B-FP8

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