The NuGet package Celigo.Service.Manager.NetSuite.REST version 1.3.1 is confirmed to contain malicious code as reported by the OpenSSF malicious packages repository. This classification indicates that the package itself is intentionally harmful or compromised, posing a security risk to users who incorporate it into their projects. No further technical details or exploit mechanisms are provided in the source data.

Use of this malicious package can lead to compromise of systems that incorporate it, potentially allowing attackers to execute unauthorized code or perform other malicious activities. However, no specific exploitation details or observed attacks are documented at this time.

Avoid using Celigo.Service.Manager.NetSuite.REST version 1.3.1. Since this is a malicious package, the recommended mitigation is to remove it from any projects and replace it with a trusted alternative. There is no official patch or fix available. Users should verify dependencies and ensure no inclusion of this package in their software supply chain.