MAL-2026-13189 Malicious code in dolyame-ui-table (npm)

Malicious package Published
Package
dolyame-ui-table
Registry
npm

What is MAL-2026-13189?

MAL-2026-13189 is a malicious package in dolyame-ui-table, published on 5 Aug 2026.

Official description

On require of the package's main entry, _compat.js reconstructs Cloudflare Workers hostnames (oob-worker.cf99-9b3.workers.dev, cf100-416.workers.dev, cf101-adf.workers.dev, cf103-070.workers.dev) and a DNS-TXT fallback discovery host (sdk.dl.wel1.ru) from split string arrays joined at runtime, downloads a platform-specific binary via https.get, writes it under /tmp or %TEMP% with disguised names (dotnet_diag_<rand>.exe,.cache_<rand>), chmods 0o755, and spawns it detached via /bin/sh -c or cmd. Staging paths and destinations are runtime-assembled to evade literal string matching, and the payload uses cover-story naming resembling system diagnostics. The package presents itself as a UI table toolkit, which has no need for native binary downloads or subprocess execution.

What should I do about MAL-2026-13189?

Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.

Sources

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