Check Point Advisories

JetBrains TeamCity Cross-Site Scripting (CVE-2025-24459)

Check Point Reference: CPAI-2025-18789
Date Published: 30 Sep 2026
Severity: Medium
Last Updated: Wednesday 30 September, 2026
Source:
Industry Reference:CVE-2025-24459
Protection Provided by:

Security Gateway
R82, R81, R80, R77, R75
Who is Vulnerable? JetBrains TeamCity prior to 2024.12.1
Vulnerability Description A cross-site scripting vulnerability in JetBrains TeamCity allows remote attackers to inject malicious scripts on the Vault Connection page, potentially compromising user data.

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 JetBrains TeamCity Cross-Site Scripting (CVE-2025-24459) 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:  JetBrains TeamCity Cross-Site Scripting (CVE-2025-24459)

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