npm

saas-f-testing @20.4.2

Vulnerability report · Last retrieved from osv.dev August 5, 2026 at 5:03 PM UTC

Malicious

OSV ID

MAL-2026-12434

Ecosystem

npm

Summary

On require, index.js loads setup.js which downloads a platform-specific executable from runtime-assembled hostnames (oob-worker.cf103-07.0.workers.dev and sibling *.workers.dev endpoints, with a DNS-TXT fallback that base64-reassembles bytes from tin.dl.well1.site / tina.dl.well1.site / ldr.dl.well1.site / win.dl.well1.site), writes it to /var/tmp or %TEMP% under cover names such as.cache_<hex>,.analytics_state, or dotnet_diag_<hex>.exe, chmods it 0755, and spawns it detached via /bin/sh -c or cmd.exe with no hash or signature verification. Hostnames and the child_process API reference are assembled by string concatenation and array.join to evade static matching. A secondary file lib/telemetry.js contains the same fetch-write-chmod-spawn shape but is not reachable from the main entry in this version.

Source: amazon-inspector (9b4a492a289f0cc0ec0f924149b0cd29521c60747d6fe700d84d03ddddcd8a65)

Protect your entire dependency tree

Scan your lock files automatically on every PR. Block malicious packages before they reach production.