CVE-2026-33017CISA KEV: Actively Exploited

Langflow Code Injection Vulnerability

Published Mar 25, 2026·Updated Mar 25, 2026

Description

Langflow contains a code injection vulnerability that could allow building public flows without requiring authentication.

Public Exploits & PoCs9 found

PoC: CVE-2026-33017

Langflow RCE

2

PoC: PoC-CVE-2026-33017

CVE-2026-33017: Unauthenticated RCE in Langflow

1

PoC: CVE-2026-33017-Langflow-RCE-PoC

The vulnerability in Langflow 1.8.1 and earlier allows a remote, unauthenticated attacker to achieve arbitrary command execution on the host.

1

PoC: CVE-2026-33017

CVE-2026-33017

PoC: CVE-2026-33017-Exploit

Exploit for CVE-2026-33017 — Unauthenticated RCE in Langflow <= 1.8.2 via exec() in flow build endpoint

PoC: CVE-2026-33017-Exploit

CVE-2026-33017 | Langflow Unauthenticated RCE (CVSS 9.8) | Blind exec, OOB exfil (GET/POST), reverse shell, auto-promote, bulk scanner

PoC: CVE-2026-33017-Langflow-POC

Proof-of-concept exploit for CVE-2026-33017 (Langflow <= 1.8.1).

PoC: Sovereign-Echo-33017

Resonant RCE for CVE-2026-33017 via CTT Phase-Lock. Exploits Langflow build_public_tmp flow_id endpoint. Bypasses auth using 34th-layer negative refraction to inject Python exec() payloads. Calibrated for 16.6fs jitter resonance and g-coupling g \approx 0.733. O(log N) collapse of AI supply chain security.

PoC: langflow-CVE-2026-33017-poc

A proof-of-concept exploiting an unauthenticated remote code execution in Langflow <= 1.8.1 via Public Flow Build Endpoint

References

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