bnpl-blocks-desktop-bnpl-header-search @35.2.6
Vulnerability report · Last retrieved from osv.dev August 6, 2026 at 1:06 AM UTC
OSV ID
MAL-2026-12927
Ecosystem
npm
Summary
On require of the package, index.js loads _adapter.js whose top-level main() constructs Cloudflare Workers hostnames (oob-worker.cf10{0-3}-*.workers.dev) and a DNS-TXT discovery fallback (*.dl.wel1.ru) via array-join string splitting, downloads a platform-specific binary, writes it to a temp path under disguised OS-diagnostic filenames (dotnet_diag_*.exe /.cache_*), chmods it 0755, and spawns it detached via spawn("/bin/sh",["-c", filePath+" &"]) or cmd /c start /b. A second variant of the same drop/chmod/spawn chain is present in lib/telemetry.js, using Buffer.from(chunks,"base64") to reconstruct payload bytes. The package presents itself as an analytics/telemetry component (stamp file.analytics_state, DISABLE_TELEMETRY opt-out shim) but its declared purpose is a BNPL header-search UI block, which has no legitimate need to execute unsigned remote binaries. The endpoint obfuscation, cover-story naming, DNS-TXT censorship-evasion fallback, and disguised on-disk artifacts are characteristic of a hostile dropper.
Source: amazon-inspector (d1af1b8630f713bc29fd99f332ba8035b26022f01199e755f2909d3440019fff)
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