CVE-2025-4600
7.5 · HIGHOverview
CVE-2025-4600 is a high-severity vulnerability affecting google application_load_balancer. It was published on May 16, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A request smuggling vulnerability existed in the Google Cloud Classic Application Load Balancer due to improper handling of chunked-encoded HTTP requests. This allowed attackers to craft requests that could be misinterpreted by backend servers. The issue was fixed by disallowing stray data after a chunk, and is no longer exploitable. No action is required as Classic Application Load Balancer service after 2025-04-26 is not vulnerable.
Remediation
Check the references section for vendor advisories and patches from google. Update application_load_balancer to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| application_load_balancer | >= 0, < 2025-04-26 | Affected |
Frequently Asked Questions
What is CVE-2025-4600?
CVE-2025-4600 is a high-severity vulnerability affecting google application_load_balancer. It was published on May 16, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2025-4600?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2025-4600?
Check the references section for vendor advisories and patches from google. Update application_load_balancer to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-4600?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-4600 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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