Check Point Advisories

IBM Langflow OSS Code Injection (CVE-2026-17633)

Check Point Reference: CPAI-2026-12529
Date Published: 30 Sep 2026
Severity: High
Last Updated: Wednesday 30 September, 2026
Source:
Industry Reference:CVE-2026-17633
Protection Provided by:

Security Gateway
R82, R81, R80, R77, R75
Who is Vulnerable? IBM Langflow OSS 1.0.0
IBM Langflow OSS 1.10.3
Langflow Langflow 1.0.0 and later, prior to 1.11.0
Vulnerability Description A code injection vulnerability in IBM Langflow OSS allows remote authenticated attackers to execute arbitrary code.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R82 / R81 / R80 / R77 / R75

  1. In the IPS tab, click Protections and find the IBM Langflow OSS Code Injection (CVE-2026-17633) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Web Server Enforcement Violation.
Attack Information:  IBM Langflow OSS Code Injection (CVE-2026-17633)

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