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resolvedcritical

Malicious code in zztemp-ssf-2605 (RubyGems)

Malicious code was discovered in the zztemp-ssf-2605 RubyGems package. The package was identified and cataloged by the OpenSSF malicious packages project.

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Disclosed
Last updated
Blast radius
Unknown; depends on adoption of affected package versions
Ecosystems
RubyGems
Attack vectors
Compromised package
Affected entities
  • zztemp-ssf-2605

A RubyGems package named zztemp-ssf-2605 was found to contain malicious code. The discovery was credited to the OpenSSF (Open Source Security Foundation) and documented in their malicious packages repository.\n\nThe package was identified with the malicious package identifier MAL-2026-9976 and published as a GitHub advisory (GHSA-ph7w-w6mw-pxvx). The advisory was published on 2026-07-18.\n\nNo additional technical details regarding the nature of the malicious payload, affected versions, or distribution timeline are provided in the source material.

Indicators of compromise

Packages
  • zztemp-ssf-2605

Remediation

  • Remove zztemp-ssf-2605 from all environments
  • Audit systems for any installations of this package
  • Review application dependencies to ensure no reliance on this package
  • Monitor for any suspicious activity on systems where the package may have been installed

Sources

  1. GitHub Advisory GHSA-ph7w-w6mw-pxvx · GitHub Advisory Database

Cite this entry

"Malicious code in zztemp-ssf-2605 (RubyGems)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 18, 2026; last updated July 18, 2026. https://supplychainattack.org/incident/malicious-code-in-zztemp-ssf-2605-rubygems-leizds

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