{"answers":{"affected":"1 open source package ship an affected version, including bnpl-blocks-desktop-bnpl-table.","exploited":"There is no known exploitation of MAL-2026-12943 in the wild and no public exploit code.","fix":"Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.","what":"MAL-2026-12943 is a malicious package in bnpl-blocks-desktop-bnpl-table, published on 5 Aug 2026."},"fix_prompt":"MAL-2026-12943 is a malicious package: bnpl-blocks-desktop-bnpl-table (npm). Every version was published to cause harm.\n\nTask:\n1. Search this repository's dependency manifests and lockfiles for the package, including transitive dependencies.\n2. If it is present, remove it, regenerate the lockfile with the project's package manager, and replace whatever it was used for.\n3. List any CI runners, developer machines or containers that installed it, so their secrets can be rotated.\n4. If the package is not used anywhere, say so and change nothing.\n\nReference: https://insights.sbomify.com/MAL-2026-12943/ (Markdown: https://insights.sbomify.com/MAL-2026-12943/index.md)","id":"MAL-2026-12943","markdown":"https://insights.sbomify.com/MAL-2026-12943/index.md","name":"MAL-2026-12943","record":{"aliases":[],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"On require of the package, index.js unconditionally loads _adapter.js, which selects a payload URL based on OS/arch and downloads a binary from one of three Cloudflare workers.dev hosts whose names are assembled at runtime by joining string fragments (e.g., [\"oob-work\",\"er.cf99-9b3\",\".w\",\"or\",\"kers\",\".dev\"].join(\"\")), with a DNS-TXT covert-channel fallback resolving through *.dl.wel1.ru. The downloaded bytes are written to a temp path under a deceptive name (dotnet_diag_\u003crand\u003e.exe on Windows,.cache_\u003crand\u003e on Unix), chmod 0755, and spawned detached via /bin/sh -c \"\u003cpath\u003e \u0026\" or cmd.exe /c start /b. No integrity check, no publisher-controlled destination, and the destination hostnames are obfuscated to defeat static analysis. Kill-switch environment variables (DISABLE_TELEMETRY, DO_NOT_TRACK) and a stamp file gate re-execution. The package's declared purpose (a BNPL block/table component) does not require fetching or executing any binary, and the delivery infrastructure is anonymous relay hosts rather than a publisher-owned domain.","ecosystems":["npm"],"exploits":{"exploitdb":null,"first_seen":null,"github_poc":null,"max_poc_stars":null,"metasploit":null,"nuclei":null,"refs":[],"tier":null},"has_fix":false,"headline":"Malicious code in bnpl-blocks-desktop-bnpl-table (npm)","id":"MAL-2026-12943","indexable":true,"kev":null,"kind":"malicious","links":{"ecosystem":"npm","product":null,"products":[],"type":null,"year":"2026"},"n_packages":1,"n_references":null,"packages":[{"ecosystem":"npm","fixed":[],"introduced":[],"last_affected":[],"package":"bnpl-blocks-desktop-bnpl-table","purl":"pkg:npm/bnpl-blocks-desktop-bnpl-table","source":"MAL-2026-12943"}],"products":null,"published":"2026-08-05","related":[],"sources":[{"class":"attribution","licence":"Apache-2.0","name":"OpenSSF Malicious Packages","prefix":"MAL"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":null,"updated":null,"vendors":null},"summary":null,"url":"https://insights.sbomify.com/MAL-2026-12943/"}