Malicious code in zwcalx4 (RubyGems)
--- _-= Per source details. Do not edit below this line.=-_ ## Source: ghsa-malware (6154ac571cd357b71a454f97ab5914e4dc9e5d33afca26a6dd32b6d50dcfa64a) --- Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/9fbb5fba02ba2f02395d3d2d43c31b2c482b7a9d/osv/malicious/rubygems/zwcalx4/MAL-2026-9847.json))
AI Analysis
Technical Summary
The package 'zwcalx4' version 0.0.488 in the RubyGems ecosystem has been flagged as malicious by the OpenSSF and included in the malicious packages database. There is no detailed vulnerability or exploitation method described, only that the package contains malicious code. No patch or remediation information is available.
Potential Impact
Use of the affected package version 0.0.488 may lead to execution of malicious code embedded within the package. This poses a risk to systems that install or run this package, potentially compromising integrity or confidentiality depending on the payload, though no specific impact details are provided.
Mitigation Recommendations
Avoid using the affected version (=0.0.488) of the 'zwcalx4' package. Since no patch or fixed version is indicated, users should remove or replace this package with a trusted alternative. Monitor vendor or repository advisories for updates or official remediation guidance.
Malicious code in zwcalx4 (RubyGems)
Description
--- _-= Per source details. Do not edit below this line.=-_ ## Source: ghsa-malware (6154ac571cd357b71a454f97ab5914e4dc9e5d33afca26a6dd32b6d50dcfa64a) --- Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/9fbb5fba02ba2f02395d3d2d43c31b2c482b7a9d/osv/malicious/rubygems/zwcalx4/MAL-2026-9847.json))
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The package 'zwcalx4' version 0.0.488 in the RubyGems ecosystem has been flagged as malicious by the OpenSSF and included in the malicious packages database. There is no detailed vulnerability or exploitation method described, only that the package contains malicious code. No patch or remediation information is available.
Potential Impact
Use of the affected package version 0.0.488 may lead to execution of malicious code embedded within the package. This poses a risk to systems that install or run this package, potentially compromising integrity or confidentiality depending on the payload, though no specific impact details are provided.
Mitigation Recommendations
Avoid using the affected version (=0.0.488) of the 'zwcalx4' package. Since no patch or fixed version is indicated, users should remove or replace this package with a trusted alternative. Monitor vendor or repository advisories for updates or official remediation guidance.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- MAL-2026-9847
- Osv Schema Version
- 1.7.4
- Aliases
- ["GHSA-cwpp-g8w2-7vq7"]
- Ecosystems
- ["RubyGems"]
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a5ba1c644ab8fbf7c79a4fa
Added to database: 07/18/2026, 15:54:46 UTC
Last enriched: 07/18/2026, 16:42:41 UTC
Last updated: 07/29/2026, 08:35:24 UTC
Views: 10
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