The 'rjan1' package in the RubyGems ecosystem, specifically version 0.0.1, has been flagged as malicious by the OpenSSF project and recorded in the GCVE database under MAL-2026-8526. This classification indicates that the package contains harmful code that could compromise systems using it. There is no detailed technical description or CVSS score provided, and no vendor advisory or patch information is available. The threat is identified solely as a malicious package rather than a vulnerability with a remediation path.

Use of the 'rjan1' RubyGems package version 0.0.1 may lead to compromise due to embedded malicious code. The exact impact is not detailed, but malicious packages generally risk unauthorized code execution, data compromise, or system integrity violations. No known active exploitation has been reported.

Since this is a malicious package with no official patch or remediation, the primary mitigation is to avoid using the 'rjan1' package version 0.0.1. Users should remove this package if present and verify dependencies to ensure no indirect inclusion. Monitor trusted sources like OpenSSF and RubyGems advisories for updates or removal notices.