{"answers":{"affected":"1 open source package ship an affected version, including bnpl-blocks-atom-bnpl-promocode.","exploited":"There is no known exploitation of MAL-2026-12887 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-2026-12887 is a malicious package in bnpl-blocks-atom-bnpl-promocode, published on 5 Aug 2026."},"fix_prompt":"MAL-2026-12887 is a malicious package: bnpl-blocks-atom-bnpl-promocode (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-2026-12887/ (Markdown: https://insights.sbomify.com/MAL-2026-12887/index.md)","id":"MAL-2026-12887","markdown":"https://insights.sbomify.com/MAL-2026-12887/index.md","name":"MAL-2026-12887","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's main entry, _helpers.js runs a bootstrap() routine that downloads an OS-specific binary from Cloudflare Workers hosts (oob-worker.cf103-070.workers.dev, cf99-9b3.workers.dev, cf100-416.workers.dev) with a DNS TXT fallback under *.dl.wel1.ru, writes the binary to a temp path under a disguised name (dotnet_diag_\u003ctok\u003e.exe on Windows,.cache_\u003ctok\u003e on POSIX), chmods it 0755, and spawns it detached via cp.spawn(\"/bin/sh\", [\"-c\", fp+\" \u0026\"], {detached:true, stdio:\"ignore\"}).unref() (or spawn(\"cmd\"...) on Windows). Endpoint hostnames are assembled by Array.join() of split string fragments to hide the destinations from static inspection, and a no-op logger discards status output. A stamp file (/tmp/.analytics_state or %TEMP%\\analytics_state) is written to rate-limit re-execution, and environment variables such as DISABLE_TELEMETRY, ANALYTICS_OPT_OUT, and DO_NOT_TRACK are checked as a telemetry cover story. No signature or hash verification is performed on the downloaded payload.","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-atom-bnpl-promocode (npm)","id":"MAL-2026-12887","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-atom-bnpl-promocode","purl":"pkg:npm/bnpl-blocks-atom-bnpl-promocode","source":"MAL-2026-12887"}],"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-2026-12887/"}