Exploit for Eval Injection in Langflow

CVE-2026-33017

githubexploit · 2026-08-28

Description

Unauthenticated RCE in Langflow via eval injection, exploit for CVE-2026-33017.

Entry point

Parameterdata · nested

Path/api/v1/build_public_tmp/{flow_id}/flow

Unauthenticated remote code execution via attacker-controlled flow data in the public build endpoint (data payload contains malicious Python code executed during graph build)

Affected Langflow versions

Langflow< 1.8.2

All known vulnerabilities by product

Langflow

CVSS 9.8 for CVE-2026-33017

9.8

HIGH SEVERITY

Version 3.1

VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector:NETWORK

Attack Complexity:LOW

Attack Requirements:NONE

Privileges Required:NONE

User Interaction:NONE

Working code

90%confidence this exploit runs

Based on 2 file(s) in the source

Exploit Details

Modified:2026-08-28 06:38

Last Seen:2026-08-28 06:51

Reporter:e4zyy

Other exploits for CVE-2026-33017

CVE-2026-33017

2026-08-28 KitPloitKITPLOIT

CVE-2026-33017-Langflow-RCE

2026-08-27 KitPloitKITPLOIT

CVE-2026-33017-Langflop

2026-08-27 KitPloitKITPLOIT

CVE-2026-33017-Lab

2026-08-27 KitPloitKITPLOIT

CVE-2026-33017-langflow-rce

2026-08-27 KitPloitKITPLOIT

CVE-2026-33017-Exploit

2026-08-27 KitPloitKITPLOIT

CVE-2026-33017-Langflow-RCE-PoC

2026-08-27 KitPloitKITPLOIT

langflow-CVE-2026-33017-poc

2026-08-27 KitPloitKITPLOIT

Exploit Code

README3 lines

## https://sploitus.com/exploit?id=1BFCC3C2-E60B-5C10-8CDE-0EB3300293CA
# Project-CVE-2026-33017
CVE-2026-33017 - Langflow Unauthenticated RCE Exploit

Exploit Code

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