What is the Coverity problem related to PATH_MANIPULATION in Node.js?

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The Coverity problem related to PATH_MANIPULATION in Node.js is a security vulnerability that occurs when an attacker can manipulate the PATH environment variable to execute malicious code. This vulnerability can be exploited by an attacker to run arbitrary commands or execute unauthorized code on the system. It is recommended to mitigate this vulnerability by validating input, avoiding the use of untrusted data in paths, and using full file paths instead of relative paths.