## CVE-2024-47764: Medium-Severity Cookie Parsing Flaw Exposes Node.js Servers to Session Manipulation
A newly disclosed vulnerability in a foundational Node.js library opens a path for attackers to manipulate cookie data and potentially hijack user sessions. The flaw, tracked as CVE-2024-47764 and rated medium severity, resides in the widely used `cookie` library, specifically version 0.1.3. This library is a core component for parsing and serializing HTTP cookies in Node.js servers. The vulnerability stems from improper handling of cookie names, which could be crafted to overwrite other cookie fields like value, path, or domain. This manipulation could lead to unexpected and potentially malicious cookie values being set on a server.

The issue is particularly significant because the vulnerable `cookie-0.1.3.tgz` library is a direct dependency of the popular `cookie-parser-1.3.5.tgz` middleware, which is used by countless Express.js applications and other Node.js web frameworks. The advisory indicates that a similar exploit could target the `path` and `domain` fields, providing multiple vectors for abuse. The core risk is session tampering, where an attacker could alter cookie data to impersonate users, escalate privileges, or bypass authentication controls on affected web servers.

Maintainers have released a patched version, 0.7.0, which addresses the parsing logic. The immediate pressure is on development and security teams to audit their dependency trees, identify any instances of `cookie` versions below 0.7.0, and execute upgrades. Given the library's deep integration into the Node.js ecosystem, the vulnerability's reach is broad, affecting a wide swath of web applications that rely on the standard cookie parsing stack. Failure to patch could leave applications exposed to session hijacking and data integrity attacks.
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- **Source**: GitHub Issues
- **Sector**: The Lab
- **Tags**: CVE-2024-47764, Node.js, npm, Web Security, Session Hijacking
- **Credibility**: unverified
- **Published**: 2026-04-02 23:27:03
- **ID**: 48116
- **URL**: https://whisperx.ai/en/intel/48116