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activecritical

Malicious code in github.com/BufferZoneCorp/go-envconfig (Go)

The Go package github.com/BufferZoneCorp/go-envconfig contains malicious code that steals credentials, establishes SSH access, and tampers with build and workflow environment variables. This package is part of a broader malicious cluster affecting both Go and RubyGems ecosystems.

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Disclosed
Last updated
Blast radius
Unknown; depends on adoption of the malicious package versions
Ecosystems
Go
Attack vectors
Compromised packageMalicious maintainer
Affected entities
  • github.com/BufferZoneCorp/go-envconfig

A malicious Go package, github.com/BufferZoneCorp/go-envconfig, has been identified as part of a coordinated attack cluster spanning Go and RubyGems ecosystems. The package is hosted on GitHub under the BufferZoneCorp organization.

The malicious code performs multiple harmful actions: credential theft, SSH access setup, and tampering with build and workflow environment variables. These capabilities suggest the attack is designed to establish persistent access and exfiltrate sensitive information from affected systems.

This package is part of a larger cluster of malicious packages identified by Google's open-source security research. The coordinated nature of the attack across multiple ecosystems indicates a sophisticated threat actor.

Immediate action is required to identify and remove this package from any systems where it may have been installed.

Indicators of compromise

Packages
  • github.com/BufferZoneCorp/go-envconfig

Remediation

  • Immediately audit all Go module dependencies for the presence of github.com/BufferZoneCorp/go-envconfig
  • Remove the malicious package from all affected systems and projects
  • Rotate all credentials and SSH keys that may have been exposed
  • Review build and workflow environment variables for unauthorized modifications
  • Scan systems for unauthorized SSH access or persistence mechanisms
  • Monitor for signs of credential exfiltration or unauthorized access
  • Update go.mod and go.sum files to remove the dependency
  • Consider using dependency scanning tools to detect similar malicious packages

Sources

  1. GitHub Advisory GHSA-347c-j94p-m438 · GitHub Advisory Database

Cite this entry

"Malicious code in github.com/BufferZoneCorp/go-envconfig (Go)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 13, 2026; last updated July 14, 2026. https://supplychainattack.org/incident/malicious-code-in-github-com-bufferzonecorp-go-envconfig-go-ist1th

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