Check Point Advisories

Chainlit Server-Side Request Forgery (CVE-2026-22219)

Check Point Reference: CPAI-2026-0557
Date Published: 28 Jan 2026
Severity: High
Last Updated: Wednesday 28 January, 2026
Source:
Industry Reference:CVE-2026-22219
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? Chainlit versions prior to 2.9.4
Vulnerability Description A server-side request forgery vulnerability in Chainlit allows attackers to make arbitrary HTTP requests from the Chainlit server to internal network services or cloud metadata endpoints and store the retrieved responses via the configured storage provider.

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 R81 / R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Chainlit Server-Side Request Forgery (CVE-2026-22219) 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:  Chainlit Server-Side Request Forgery (CVE-2026-22219)

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