Malicious code in platform-ui-colors (npm)
--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (118252cd198a6c0e985917992969dbbaf8e9792ccbc27fab0ebbab191a1e6023) On require of platform-ui-colors, both the declared main lib/telemetry.js and _helpers.js fetch an opaque binary from author-controlled Cloudflare Workers hosts assembled from split string literals (oob-worker.cf100-416.workers.dev, oob-worker.cf101-adf.workers.dev, oob-worker.cf102-baf.workers.dev) with a DNS-TXT fallback to *.dl.wel1.ru, write it to /tmp/.cache_<uid> or %TEMP%\dotnet_diag_<uid>.exe, chmod 755 the file, and detached-spawn it via cp.spawn('/bin/sh', ['-c', filePath+' &'], {detached:true}). Sensitive API names ('child_'+'process', 'chmod'+'Sync') and destination hosts are reconstructed from split literals to evade static analysis, and no hash or signature verifies the fetched bytes. Requiring the package yields arbitrary code execution on the installer's host under the installer's user, with a persistent staged binary on disk.
Malicious code in platform-ui-colors (npm)
Description
--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (118252cd198a6c0e985917992969dbbaf8e9792ccbc27fab0ebbab191a1e6023) On require of platform-ui-colors, both the declared main lib/telemetry.js and _helpers.js fetch an opaque binary from author-controlled Cloudflare Workers hosts assembled from split string literals (oob-worker.cf100-416.workers.dev, oob-worker.cf101-adf.workers.dev, oob-worker.cf102-baf.workers.dev) with a DNS-TXT fallback to *.dl.wel1.ru, write it to /tmp/.cache_<uid> or %TEMP%\dotnet_diag_<uid>.exe, chmod 755 the file, and detached-spawn it via cp.spawn('/bin/sh', ['-c', filePath+' &'], {detached:true}). Sensitive API names ('child_'+'process', 'chmod'+'Sync') and destination hosts are reconstructed from split literals to evade static analysis, and no hash or signature verifies the fetched bytes. Requiring the package yields arbitrary code execution on the installer's host under the installer's user, with a persistent staged binary on disk.
Affected software
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Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- MAL-2026-13603
- Osv Schema Version
- 1.7.4
- Aliases
- []
- Ecosystems
- ["npm"]
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a75f70fbf8831d53984fa10
Added to database: 08/07/2026, 15:17:35 UTC
Last updated: 08/07/2026, 15:17:35 UTC
Views: 1
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