Malicious code in zwcalx12 (RubyGems)
--- _-= Per source details. Do not edit below this line.=-_ ## Source: ghsa-malware (1f07ab9c9956730ce1cae319c551f04d7a86f06022ecaf3bd40a1dd44cbe3b0e) --- Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/9fbb5fba02ba2f02395d3d2d43c31b2c482b7a9d/osv/malicious/rubygems/zwcalx12/MAL-2026-9843.json))
AI Analysis
Technical Summary
The 'zwcalx12' RubyGem version 0.0.498 is recognized as a malicious package according to the OpenSSF malicious packages database. It is listed under the identifier MAL-2026-9843 and GHSA-587j-grgw-m6m2. There are no specific vulnerability details, exploit methods, or impact descriptions available in the provided data.
Potential Impact
The presence of malicious code in the specified version of the 'zwcalx12' RubyGem could lead to compromise of systems that install and run this package. However, no explicit impact details or known exploits in the wild are reported.
Mitigation Recommendations
No official patch or remediation is indicated. Users should avoid using version 0.0.498 of the 'zwcalx12' RubyGem. Since this is a malicious package, removing it from projects and replacing it with trusted alternatives is recommended. Patch status is not yet confirmed — check the vendor advisory or trusted security sources for current remediation guidance.
Malicious code in zwcalx12 (RubyGems)
Description
--- _-= Per source details. Do not edit below this line.=-_ ## Source: ghsa-malware (1f07ab9c9956730ce1cae319c551f04d7a86f06022ecaf3bd40a1dd44cbe3b0e) --- Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/9fbb5fba02ba2f02395d3d2d43c31b2c482b7a9d/osv/malicious/rubygems/zwcalx12/MAL-2026-9843.json))
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The 'zwcalx12' RubyGem version 0.0.498 is recognized as a malicious package according to the OpenSSF malicious packages database. It is listed under the identifier MAL-2026-9843 and GHSA-587j-grgw-m6m2. There are no specific vulnerability details, exploit methods, or impact descriptions available in the provided data.
Potential Impact
The presence of malicious code in the specified version of the 'zwcalx12' RubyGem could lead to compromise of systems that install and run this package. However, no explicit impact details or known exploits in the wild are reported.
Mitigation Recommendations
No official patch or remediation is indicated. Users should avoid using version 0.0.498 of the 'zwcalx12' RubyGem. Since this is a malicious package, removing it from projects and replacing it with trusted alternatives is recommended. Patch status is not yet confirmed — check the vendor advisory or trusted security sources for current remediation guidance.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- MAL-2026-9843
- Osv Schema Version
- 1.7.4
- Aliases
- ["GHSA-587j-grgw-m6m2"]
- Ecosystems
- ["RubyGems"]
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a5ba1ca44ab8fbf7c7a4b66
Added to database: 07/18/2026, 15:54:50 UTC
Last enriched: 07/18/2026, 16:43:08 UTC
Last updated: 07/27/2026, 23:32:01 UTC
Views: 8
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