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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.

PUBLISHED Reserved 2026-04-18 | Published 2026-04-23 | Updated 2026-04-23 | Assigner GitHub_M




HIGH: 7.1CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L

Problem types

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

Product status

< 3.1.0
affected

< 3.1.0
affected

References

github.com/...lowise/security/advisories/GHSA-6r77-hqx7-7vw8 exploit

github.com/...lowise/security/advisories/GHSA-6r77-hqx7-7vw8

cve.org (CVE-2026-41271)

nvd.nist.gov (CVE-2026-41271)

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