Malicious code in wtestjsmfurlb (RubyGems)
--- _-= Per source details. Do not edit below this line.=-_ ## Source: ghsa-malware (1d61334f6e4e70b0fac91fbf4fd01981ce995bd7c23f42c1dd7d4ad81064976f) --- Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/9fbb5fba02ba2f02395d3d2d43c31b2c482b7a9d/osv/malicious/rubygems/wtestjsmfurlb/MAL-2026-9489.json))
AI Analysis
Technical Summary
The 'wtestjsmfurlb' RubyGems package at version 0.0.1 is flagged as containing malicious code according to the OpenSSF malicious packages database. This is a case of a malicious package being published in the RubyGems ecosystem, identified under MAL-2026-9489 and GHSA-77m5-fqwg-rq97. There is no detailed vulnerability or exploit information available, and no known exploits in the wild have been reported.
Potential Impact
Using the 'wtestjsmfurlb' package version 0.0.1 may lead to execution of malicious code embedded within the package. This could compromise the security of systems that install and run this package. No further impact details are provided.
Mitigation Recommendations
Avoid using the 'wtestjsmfurlb' package version 0.0.1. Since this is a malicious package, the recommended action is to remove it from any environment where it is installed and to avoid installing it in the future. No official patch or fix is available. Monitor trusted sources for updates or advisories regarding this package.
Malicious code in wtestjsmfurlb (RubyGems)
Description
--- _-= Per source details. Do not edit below this line.=-_ ## Source: ghsa-malware (1d61334f6e4e70b0fac91fbf4fd01981ce995bd7c23f42c1dd7d4ad81064976f) --- Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/9fbb5fba02ba2f02395d3d2d43c31b2c482b7a9d/osv/malicious/rubygems/wtestjsmfurlb/MAL-2026-9489.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 'wtestjsmfurlb' RubyGems package at version 0.0.1 is flagged as containing malicious code according to the OpenSSF malicious packages database. This is a case of a malicious package being published in the RubyGems ecosystem, identified under MAL-2026-9489 and GHSA-77m5-fqwg-rq97. There is no detailed vulnerability or exploit information available, and no known exploits in the wild have been reported.
Potential Impact
Using the 'wtestjsmfurlb' package version 0.0.1 may lead to execution of malicious code embedded within the package. This could compromise the security of systems that install and run this package. No further impact details are provided.
Mitigation Recommendations
Avoid using the 'wtestjsmfurlb' package version 0.0.1. Since this is a malicious package, the recommended action is to remove it from any environment where it is installed and to avoid installing it in the future. No official patch or fix is available. Monitor trusted sources for updates or advisories regarding this package.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- MAL-2026-9489
- Osv Schema Version
- 1.7.4
- Aliases
- ["GHSA-77m5-fqwg-rq97"]
- Ecosystems
- ["RubyGems"]
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a5ba26a44ab8fbf7c7ad34d
Added to database: 07/18/2026, 15:57:30 UTC
Last enriched: 07/18/2026, 17:23:32 UTC
Last updated: 07/31/2026, 14:35:30 UTC
Views: 17
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.