Protect Your Linux Server from CVE-2025-68157

Understanding CVE-2025-68157: A Server Security Threat

Cyber threats continue to evolve, and recently, the discovery of CVE-2025-68157 has raised alarms for system administrators and hosting providers. This vulnerability concerning the webpack module bundler could allow an attacker to exploit HTTP redirects, leading to untrusted content being included during the build process.

What is CVE-2025-68157?

CVE-2025-68157 impacts webpack versions from 5.49.0 to prior to 5.104.0. When enabled, the experiments.buildHttp option fails to enforce URL validation after following HTTP 30x redirects. Consequently, a seemingly restricted import may inadvertently point to URLs outside of a trusted allow-list. This oversight can lead to serious consequences, including server-side request forgery (SSRF) vulnerabilities and potential data breaches.

Why This Vulnerability Matters

For server administrators and hosting providers, understanding this vulnerability is crucial. It poses significant risks for Linux servers and web applications. Attackers can exploit this flaw to execute unauthorized actions or retrieve sensitive information from the server, undermining the integrity and confidentiality of your infrastructure.

Protective Measures

To safeguard your server from risks related to CVE-2025-68157, consider the following tips:

  • Update Webpack: Ensure that your system runs on Webpack version 5.104.0 or later, where this vulnerability has been patched.
  • Validate Allowed URIs: Implement checks to re-validate allowed URIs after any redirects. This ensures that malicious redirects do not compromise your server's security.
  • Disable Unnecessary Features: If upgrading cannot be performed immediately, disable experiments.buildHttp until a safe resolution is implemented.

Utilizing a Web Application Firewall

In addition to the above protective measures, deploying a Web Application Firewall (WAF) is highly recommended. A WAF helps shield your server from various attacks, including brute-force attacks and vulnerability exploits. It enhances malware detection, further securing your application against threats.


In today's ever-evolving landscape of cyber threats, it’s vital to enhance your server security. By addressing vulnerabilities like CVE-2025-68157 proactively, you can significantly strengthen your defenses.

Take action now and secure your infrastructure. Try BitNinja's free 7-day trial to explore how it can proactively protect your Linux server against emerging threats.

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