CVE-2026-41271: Flowise APIChain Prompt Injection SSRF

# CVE-2026-41271: Flowise APIChain Prompt Injection SSRF

https://gcdradar.vercel.app/incidents/cve-2026-41271-flowise-apichain-prompt-injection-ssrf · AIR-2026-0572 · closed 2026-04-16

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-04-16
- AI role: Attack on AI
- Products: Flowise
- CVE ids: CVE-2026-41271
- CVSS: 7.1

## Summary

Flowise AI API Chain components suffer from an SSRF vulnerability triggered by prompt injection. Attackers can bypass constraints to perform internal network requests.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-04-23: CVE-2026-41271: Flowise is a drag & drop user interface to build a customized large language model flow. (https://nvd.nist.gov/vuln/detail/CVE-2026-41271)
- 2026-04-16: CVE-2026-41271: Flowise:  APIChain Prompt Injection SSRF in GET/POST API Chains (https://github.com/advisories/GHSA-6r77-hqx7-7vw8)

## Sources

- 2026-04-16 GitHub Advisory Database: CVE-2026-41271: Flowise:  APIChain Prompt Injection SSRF in GET/POST API Chains https://github.com/advisories/GHSA-6r77-hqx7-7vw8
- 2026-04-23 NVD: CVE-2026-41271: Flowise is a drag & drop user interface to build a customized large language model flow. https://nvd.nist.gov/vuln/detail/CVE-2026-41271

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.