Malicious code in github.com/BufferZoneCorp/go-stdlog (Go)
The Go package github.com/BufferZoneCorp/go-stdlog 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.
- Disclosed
- Last updated
- Blast radius
- Unknown; depends on adoption of the malicious package versions
- Ecosystems
- Attack vectors
- Affected entities
- github.com/BufferZoneCorp/go-stdlog
A malicious Go package, github.com/BufferZoneCorp/go-stdlog, 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: it steals credentials from affected systems, establishes unauthorized SSH access, and modifies build and workflow environment variables. These capabilities suggest the attack is designed for persistent access and lateral movement within compromised development environments.\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 theft and supply chain compromise.
Indicators of compromise
- Packages
- github.com/BufferZoneCorp/go-stdlog
Remediation
- Immediately audit all projects for dependencies on github.com/BufferZoneCorp/go-stdlog and remove the package
- Rotate all credentials (API keys, SSH keys, tokens) that may have been exposed on systems where this package was used
- Review build logs and workflow environment variables for signs of tampering or unauthorized modifications
- Scan systems for unauthorized SSH keys or access
- Monitor for suspicious outbound connections or credential usage from affected systems
- Update go.mod/go.sum files to remove the malicious dependency and rebuild from clean sources
Sources
- GitHub Advisory GHSA-3jpx-7wfm-r8h8 · GitHub Advisory Database
Cite this entry
"Malicious code in github.com/BufferZoneCorp/go-stdlog (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-stdlog-go-uxf8np
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