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resolvedcritical

Malicious code in Tessa.Compilations (NuGet)

Malicious code was discovered in the Tessa.Compilations NuGet package. The incident was identified and documented by the OpenSSF malicious packages project.

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Disclosed
Last updated
Blast radius
Unknown; depends on adoption of affected versions
Ecosystems
Attack vectors
Affected entities
  • Tessa.CompilationsNuGet package

A malicious code injection was identified in the Tessa.Compilations package distributed via NuGet. The package was flagged as containing malicious code and documented in the OpenSSF's malicious packages repository.\n\nThe incident was tracked under identifier MAL-2024-4677 and reported via GitHub Security Advisory GHSA-mrr7-g2px-5wp6. The OpenSSF maintains a curated list of known malicious packages to help the community identify and avoid compromised dependencies.\n\nNo specific technical details about the malicious payload or affected versions are provided in the source material.

Indicators of compromise

Packages
  • Tessa.Compilations

Remediation

  • Remove or uninstall the Tessa.Compilations package from affected projects
  • Audit project dependencies for any other potentially compromised packages
  • Review and rotate any credentials or secrets that may have been exposed
  • Monitor systems for any suspicious activity or unauthorized access
  • Check the OpenSSF malicious packages repository for updated information on this incident

Sources

  1. GitHub Advisory GHSA-mrr7-g2px-5wp6 · GitHub Advisory Database

Cite this entry

"Malicious code in Tessa.Compilations (NuGet)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 20, 2026; last updated July 20, 2026. https://supplychainattack.org/incident/malicious-code-in-tessa-compilations-nuget-iak4o6

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