ID:12573 - Exploit for Code injection in Langflow - CVE-2026-33017

Link to public exploit:

Vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation at the "/api/v1/build_public_tmp/{flow_id}/flow" endpoint. A remote attacker can send a specially crafted HTTP POST request to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation