CVE-2026-43995: Flowise SSRF Protection Bypass via Direct HTTP Client Usage

# CVE-2026-43995: Flowise SSRF Protection Bypass via Direct HTTP Client Usage

https://gcdradar.vercel.app/incidents/cve-2026-43995-flowise-ssrf-protection-bypass-via-direct-htt · AIR-2026-0577 · 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-2026-43995
- CVSS: 5.3

## Summary

Flowise tools directly invoke raw HTTP clients instead of centralized security wrappers, bypassing SSRF mitigations entirely. This flaw allows unauthorized server-side request forgery.

## What to do

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

## Latest updates

- 2026-05-11: CVE-2026-43995: Flowise is a drag & drop user interface to build a customized large language model flow. (https://nvd.nist.gov/vuln/detail/CVE-2026-43995)
- 2026-04-16: CVE-2026-43995: Flowise: SSRF Protection Bypass via Direct node-fetch / axios Usage (Patch Enforcement Failure) (https://github.com/advisories/GHSA-qqvm-66q4-vf5c)

## Sources

- 2026-04-16 GitHub Advisory Database: CVE-2026-43995: Flowise: SSRF Protection Bypass via Direct node-fetch / axios Usage (Patch Enforcement Failure) https://github.com/advisories/GHSA-qqvm-66q4-vf5c
- 2026-05-11 NVD: CVE-2026-43995: Flowise is a drag & drop user interface to build a customized large language model flow. https://nvd.nist.gov/vuln/detail/CVE-2026-43995

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