Malicious code in wtenc4 (RubyGems)
--- _-= Per source details. Do not edit below this line.=-_ ## Source: ghsa-malware (b4963b739545285527c5501e8190194c3c36f081e7e79a5c24547588fa88aea6) --- Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/9fbb5fba02ba2f02395d3d2d43c31b2c482b7a9d/osv/malicious/rubygems/wtenc4/MAL-2026-9488.json))
AI Analysis
Technical Summary
The 'wtenc4' RubyGem at version 0.0.1 is flagged as a malicious package by the OpenSSF malicious packages database. This classification indicates that the package contains intentionally harmful code. There is no further technical detail or exploit method described. The package is not a cloud service, and no official fix or patch is documented.
Potential Impact
Use of this package may lead to execution of malicious code, potentially compromising systems or data depending on the payload embedded in the package. However, no specific impact details or exploitation reports are available.
Mitigation Recommendations
Avoid using the 'wtenc4' RubyGem version 0.0.1. Since no patch or official fix is available, the best mitigation is to remove or not install this package. Use trusted and verified packages from official sources. Monitor for vendor advisories or updates regarding this package.
Malicious code in wtenc4 (RubyGems)
Description
--- _-= Per source details. Do not edit below this line.=-_ ## Source: ghsa-malware (b4963b739545285527c5501e8190194c3c36f081e7e79a5c24547588fa88aea6) --- Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/9fbb5fba02ba2f02395d3d2d43c31b2c482b7a9d/osv/malicious/rubygems/wtenc4/MAL-2026-9488.json))
Affected software
Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The 'wtenc4' RubyGem at version 0.0.1 is flagged as a malicious package by the OpenSSF malicious packages database. This classification indicates that the package contains intentionally harmful code. There is no further technical detail or exploit method described. The package is not a cloud service, and no official fix or patch is documented.
Potential Impact
Use of this package may lead to execution of malicious code, potentially compromising systems or data depending on the payload embedded in the package. However, no specific impact details or exploitation reports are available.
Mitigation Recommendations
Avoid using the 'wtenc4' RubyGem version 0.0.1. Since no patch or official fix is available, the best mitigation is to remove or not install this package. Use trusted and verified packages from official sources. Monitor for vendor advisories or updates regarding this package.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- MAL-2026-9488
- Osv Schema Version
- 1.7.4
- Aliases
- ["GHSA-v423-qf6c-3h55"]
- Ecosystems
- ["RubyGems"]
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a5ba26a44ab8fbf7c7ad350
Added to database: 07/18/2026, 15:57:30 UTC
Last enriched: 07/18/2026, 17:23:36 UTC
Last updated: 07/28/2026, 02:56:53 UTC
Views: 8
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.