🛡️ MAL-2026-13281 — docsmate-docsmate-core

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Malicious code in docsmate-docsmate-core (npm)

Source: amazon-inspector

On require(), index.js loads _support.js which assembles Cloudflare Workers hostnames (oob-worker.cf99-9b3.workers.dev and siblings cf100-416, cf101-adf, cf102-baf) from split string fragments, with a DNS-TXT fallback resolver chain across sdk.dl.wel1.ru, ext.dl.wel1.ru, pkg.dl.wel1.ru, and net.dl.wel1.ru. It downloads an OS/arch-specific binary over HTTPS, writes it to /tmp or %TEMP% under a disguised name (dotnet_diag_<hex>.exe on Windows,.cache_<hex> on Unix), chmods 0755, and detaches it via spawn('/bin/sh', ['-c', path+' &'], {detached:true}) or spawn('cmd',...). A stamp file suppresses re-runs and environment variables can disable execution. The package presents itself as a platform/core types library and ships no shipped native source that would justify fetching and executing an opaque binary at import time. Destination hosts are string-obfuscated to evade static inspection, and the dropped file is named to impersonate a Microsoft.NET diagnostic tool.

Affected software

MAL-2026-13281 is recorded against 1 package.

  • docsmate-docsmate-core

Timeline and source

Published on 5 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

www.npmjs.com (Package)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-08-05
Updated 2026-08-12
Modified 2026-08-05
Fix URL N/A

Affected Packages

Software From version Fixed in
docsmate-docsmate-core — —

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