Malicious code in PubIishIgnore (NuGet)
Malicious code was discovered in the PubIishIgnore NuGet package. The package contained intentional malicious functionality and was flagged by the OpenSSF malicious packages project.
- Disclosed
- Last updated
- Blast radius
- Unknown; depends on adoption of affected versions
- Ecosystems
- Attack vectors
- Affected entities
- PubIishIgnore
The NuGet package PubIishIgnore was found to contain malicious code. The discovery was credited to the OpenSSF's malicious packages project, which maintains a catalog of known malicious software supply chain incidents.\n\nThe package was identified with the malicious package identifier MAL-2024-4619 in the OpenSSF's tracking system. This indicates the malicious code was intentionally injected into the package rather than being the result of a legitimate vulnerability.\n\nThe incident was disclosed on July 20, 2026, via GitHub's advisory system.
Indicators of compromise
- Packages
- PubIishIgnore
Remediation
- Remove PubIishIgnore from all projects and dependencies
- Audit any systems that may have installed or executed this package
- Review package dependencies for similar typosquatting or malicious packages
- Use NuGet package verification and signing checks to prevent installation of unsigned or untrusted packages
Sources
- GitHub Advisory GHSA-343r-4rp2-wfg4 · GitHub Advisory Database
Cite this entry
"Malicious code in PubIishIgnore (NuGet)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 20, 2026; last updated July 20, 2026. https://supplychainattack.org/incident/malicious-code-in-pubiishignore-nuget-1eam1p
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