Malicious code in zwkopt5 (RubyGems)
--- _-= Per source details. Do not edit below this line.=-_ ## Source: ghsa-malware (e2b0a461900195f4fbf98d5965fc1ac933a38226c5a6f9f2263e0d054f86a7a4) --- Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/9fbb5fba02ba2f02395d3d2d43c31b2c482b7a9d/osv/malicious/rubygems/zwkopt5/MAL-2026-9887.json))
AI Analysis
Technical Summary
The 'zwkopt5' RubyGem at version 0.0.3493 is flagged as a malicious package by the OpenSSF and listed in the GHSA-malware database under MAL-2026-9887. There is no detailed vulnerability or exploit information beyond the classification as malicious code. No patch or remediation details are provided, and no known exploits in the wild have been reported.
Potential Impact
Use of the 'zwkopt5' package version 0.0.3493 may lead to execution of malicious code embedded within the package. This can compromise the security of systems that install or run this package. Specific impacts depend on the malicious payload, which is not detailed in the provided data.
Mitigation Recommendations
Avoid using the 'zwkopt5' RubyGem version 0.0.3493. Since no patch or fixed version is indicated, the recommended action is to remove or not install this package. Monitor official RubyGems sources and OpenSSF advisories for updates or safer alternatives.
Malicious code in zwkopt5 (RubyGems)
Description
--- _-= Per source details. Do not edit below this line.=-_ ## Source: ghsa-malware (e2b0a461900195f4fbf98d5965fc1ac933a38226c5a6f9f2263e0d054f86a7a4) --- Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/9fbb5fba02ba2f02395d3d2d43c31b2c482b7a9d/osv/malicious/rubygems/zwkopt5/MAL-2026-9887.json))
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The 'zwkopt5' RubyGem at version 0.0.3493 is flagged as a malicious package by the OpenSSF and listed in the GHSA-malware database under MAL-2026-9887. There is no detailed vulnerability or exploit information beyond the classification as malicious code. No patch or remediation details are provided, and no known exploits in the wild have been reported.
Potential Impact
Use of the 'zwkopt5' package version 0.0.3493 may lead to execution of malicious code embedded within the package. This can compromise the security of systems that install or run this package. Specific impacts depend on the malicious payload, which is not detailed in the provided data.
Mitigation Recommendations
Avoid using the 'zwkopt5' RubyGem version 0.0.3493. Since no patch or fixed version is indicated, the recommended action is to remove or not install this package. Monitor official RubyGems sources and OpenSSF advisories for updates or safer alternatives.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- MAL-2026-9887
- Osv Schema Version
- 1.7.4
- Aliases
- ["GHSA-6vf7-f2pp-6xw8"]
- Ecosystems
- ["RubyGems"]
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a5ba1b544ab8fbf7c78b035
Added to database: 07/18/2026, 15:54:29 UTC
Last enriched: 07/18/2026, 16:37:57 UTC
Last updated: 07/31/2026, 07:12:59 UTC
Views: 14
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