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activecritical

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

The Go package github.com/BufferZoneCorp/go-weather-sdk contains malicious code that steals credentials, establishes SSH access, and tampers with build and workflow environment variables. It is part of a broader cluster of malicious packages 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-weather-sdk

A malicious Go package, github.com/BufferZoneCorp/go-weather-sdk, has been identified as part of a coordinated attack cluster affecting both Go and RubyGems ecosystems. The package is attributed to the BufferZoneCorp and knot-theory clusters.\n\nThe 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.\n\nThe package was identified through Google's open-source security research. Users who have imported this package into their projects are at immediate risk of credential compromise and unauthorized system access.

Indicators of compromise

Packages
  • github.com/BufferZoneCorp/go-weather-sdk

Remediation

  • Immediately remove github.com/BufferZoneCorp/go-weather-sdk from all projects and dependencies
  • Audit all systems that may have imported or executed this package for signs of compromise
  • Rotate all credentials (API keys, SSH keys, tokens) that may have been exposed
  • Review build and workflow environment variables for unauthorized modifications
  • Check for unexpected SSH keys or access configurations added to affected systems
  • Monitor for suspicious outbound connections or data exfiltration from affected systems
  • Consider this a critical security incident and follow incident response procedures

Sources

  1. GitHub Advisory GHSA-vwpg-jg98-m5x3 · GitHub Advisory Database

Cite this entry

"Malicious code in github.com/BufferZoneCorp/go-weather-sdk (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-weather-sdk-go-btpzmu

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