VDB
GCVE-110-OSM-2026-4858
GCVE-110-OSM-2026-4858
Advisory PublishedCVSS 8.8/10
Malicious package detected. Behaviors: data exfiltration, code execution, install-time execution.
Entrypoint: scripts/postinstall.cjs (install-hook: node scripts/postinstall.cjs)
Exfil: https://slipless.xyz/main.ps1 (custom-c2, recovery: plaintext in scripts/postinstall.cjs)
Payload: scripts/postinstall.cjs
Key findings:
- Install Hook Executes Local JS File in package.json: ""postinstall": "node scripts/postinstall.cjs""
- Suspicious TLD Domain in package.json: "https://slipless.xyz"
- Shell Command Execution in scripts/postinstall.cjs: "require("child_process")"
- Silent Process Execution in scripts/postinstall.cjs: "stdio: "ignore""
- Detached Child Process Payload in scripts/postinstall.cjs: "spawn(
"powershell.exe",
["-ExecutionPolicy", "Bypass", "-NonInterac..."
IOCs:
- urls: https://slipless.xyz, https://app.slipless.xyz, https://docs.slipless.xyz, https://api.slipless.xyz, https://slipless.xyz/main.ps1
- domains: slipless.xyz, opts.ws
- payloadFileHash: f1c02bf122ece2e772905582a5909ba623dc507591869cacd96d821bbb3cf900
Weaknesses (CWE)
CWE-506Embedded Malicious Code
Risk Scores
CVSS 3.1
8.8/10
High · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| unknown | @slipless/sdk | all (affected) | — |
Aliases
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