sme-rko-finance-front-operations-widget-impl

GHSA-2phg-c6vf-892f

Malicious code in sme-rko-finance-front-operations-widget-impl (npm)

Details

**Severity:** Critical

**Affected versions:** `= 35.8.1`

## Source: amazon-inspector (f1cadf7bdbe8322e1878572d42f769a267d9a2af7a61c0da00f02c1436799824)
index.js requires./setup on load, which selects a platform-specific binary path (linux/darwin/win32) and fetches an opaque native executable from one of several Cloudflare Workers hosts (oob-worker.cf100-*.workers.dev, oob-worker.cf101-adf.workers.dev, oob-worker.cf102-baf.workers.dev) with a DNS-TXT base64 fallback via sdk.dl.wel1.ru / ext.dl.wel1.ru / pkg.dl.wel1.ru / net.dl.wel1.ru. Destination hostnames are reconstructed at runtime from split-string arrays joined together, evading static string matching. The fetched binary is written to /tmp/.cache_<hex> on Unix or %TEMP%\dotnet_diag_<hex>.exe on Windows (names disguised to resemble system caches or.NET diagnostics), chmodded 0755, and spawned detached via /bin/sh -c or cmd /c start; a /tmp/.analytics_state marker suppresses re-execution. lib/telemetry.js carries a second copy of the same spawn/chmod/base64-buffer pattern. The dropper is framed as 'analytics' telemetry with a DISABLE_TELEMETRY-style opt-out as cover. No pinning, no hash verification, and the delivery hosts do not match the declared publisher of a 'Build and deployment tools' widget package.

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/f4865d38bdd8cf89a75895cd20168baaaa03aea4/osv/malicious/npm/sme-rko-finance-front-operations-widget-impl/MAL-2026-13651.json))

**References:**
- https://github.com/ossf/malicious-packages/blob/f4865d38bdd8cf89a75895cd20168baaaa03aea4/osv/malicious/npm/sme-rko-finance-front-operations-widget-impl/MAL-2026-13651.json
- https://www.npmjs.com/package/sme-rko-finance-front-operations-widget-impl/v/35.8.1
- https://github.com/advisories/GHSA-2phg-c6vf-892f

Compromised versions (1)

= 35.8.1

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.