Malicious code in zwan_cal_jan1 (RubyGems)
--- _-= Per source details. Do not edit below this line.=-_ ## Source: ghsa-malware (bc871f9516f8d80d9f4a8b676f24cfff29f9295ad0c1554d396986d72bddccaf) --- Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/9fbb5fba02ba2f02395d3d2d43c31b2c482b7a9d/osv/malicious/rubygems/zwan_cal_jan1/MAL-2026-9837.json))
AI Analysis
Technical Summary
The 'zwan_cal_jan1' RubyGems package at version 0.0.131 has been identified as containing malicious code. This classification comes from the OpenSSF malicious packages database and is tracked under MAL-2026-9837 and GHSA-x6jw-jh72-4mqj. The advisory does not provide further technical details or CVSS scoring. No official patch or fix information is available, and the package is not a cloud service. The threat is specific to this exact version of the package.
Potential Impact
Use of the 'zwan_cal_jan1' package at version 0.0.131 may introduce malicious code into dependent projects, potentially compromising system integrity or security. However, no specific exploit details or active exploitation reports are available at this time.
Mitigation Recommendations
Avoid using the 'zwan_cal_jan1' package version 0.0.131. Since no patch or remediation is currently documented, the recommended action is to remove or replace this package with a trusted alternative. Monitor vendor or repository advisories for updates or fixes.
Malicious code in zwan_cal_jan1 (RubyGems)
Description
--- _-= Per source details. Do not edit below this line.=-_ ## Source: ghsa-malware (bc871f9516f8d80d9f4a8b676f24cfff29f9295ad0c1554d396986d72bddccaf) --- Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/9fbb5fba02ba2f02395d3d2d43c31b2c482b7a9d/osv/malicious/rubygems/zwan_cal_jan1/MAL-2026-9837.json))
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The 'zwan_cal_jan1' RubyGems package at version 0.0.131 has been identified as containing malicious code. This classification comes from the OpenSSF malicious packages database and is tracked under MAL-2026-9837 and GHSA-x6jw-jh72-4mqj. The advisory does not provide further technical details or CVSS scoring. No official patch or fix information is available, and the package is not a cloud service. The threat is specific to this exact version of the package.
Potential Impact
Use of the 'zwan_cal_jan1' package at version 0.0.131 may introduce malicious code into dependent projects, potentially compromising system integrity or security. However, no specific exploit details or active exploitation reports are available at this time.
Mitigation Recommendations
Avoid using the 'zwan_cal_jan1' package version 0.0.131. Since no patch or remediation is currently documented, the recommended action is to remove or replace this package with a trusted alternative. Monitor vendor or repository advisories for updates or fixes.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- MAL-2026-9837
- Osv Schema Version
- 1.7.4
- Aliases
- ["GHSA-x6jw-jh72-4mqj"]
- Ecosystems
- ["RubyGems"]
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a5ba1ca44ab8fbf7c7a4b8e
Added to database: 07/18/2026, 15:54:50 UTC
Last enriched: 07/18/2026, 16:43:45 UTC
Last updated: 07/27/2026, 06:26:38 UTC
Views: 7
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