VDB
GCVE-110-OSM-2026-6854
GCVE-110-OSM-2026-6854
Advisory PublishedCVSS 9.6/10
Malicious package detected. Behaviors: data exfiltration, code execution, install-time execution.
ENTRY
index.js (install-hook: node index.js)
- Install Hook Executes Local JS File in package.json
DESTINATION
- custom-c2: http://169.254.169.254/latest/meta-data/iam/security-credentials/ (primary, plaintext) in index.js
- custom-c2: http://metadata.google.internal/computeMetadata/v1/instance/service-accounts/default/token (plaintext) in index.js
- webhookServices: https://webhook.site/YOUR-UUID-HERE (exfil, plaintext)
EXFIL
- Sensitive File Access in index.js: "'/.aws/credentials'"
- OAST/Interactsh Exfiltration in index.js: "webhook.site"
- Git Configuration Access in index.js: ".gitconfig"
- Network Request in index.js: "https.request("
- System Information Collection in index.js: "os.userInfo()"
ADDITIONAL FINDINGS
- Shell Command Execution in index.js: "require('child_process')"
- Brand New Package
- Very New NPM Publisher Account
PAYLOAD FILES
index.js
INDICATORS (IOCs)
- payloadFileHash: d071abdba18bcdb17affb38b9cc9b638cf6625af897e2af1fc274f3920081dc0
Weaknesses (CWE)
CWE-506Embedded Malicious Code
Risk Scores
CVSS 3.1
9.6/10
Critical · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| unknown | anthropic-internal-tools | all (affected) | — |
Aliases
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