{"answers":{"affected":"1 open source package ship an affected version, including devplatform-nx-spa.","exploited":"There is no known exploitation of MAL-2026-12727 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-2026-12727 is a malicious package in devplatform-nx-spa, published on 5 Aug 2026."},"fix_prompt":"MAL-2026-12727 is a malicious package: devplatform-nx-spa (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-2026-12727/ (Markdown: https://insights.sbomify.com/MAL-2026-12727/index.md)","id":"MAL-2026-12727","markdown":"https://insights.sbomify.com/MAL-2026-12727/index.md","name":"MAL-2026-12727","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 loads _support.js, whose top-level init() selects a platform-specific asset, downloads a native binary from one of four Cloudflare Workers subdomains (oob-worker.cf100-416.workers.dev through cf103), and falls back to reconstructing the binary from base64-encoded DNS TXT records under *.dl.wel1.ru (sdk./ext./pkg./net.dl.wel1.ru) when HTTPS fails. The fetched bytes are written to /var/tmp (POSIX) or %TEMP% (Windows) under a cover filename ('dotnet_diag_\u003crand\u003e.exe' or '.cache_\u003crand\u003e'), chmod 0755'd on POSIX, and spawned detached via /bin/sh -c or cmd.exe /c start. Hostnames are assembled at runtime via.join(\"\") on split string literals to evade static analysis, and a state file named '.analytics_state' is used as cover. A sibling lib/telemetry.js is unreferenced in this version but reimplements the same drop-and-exec primitives behind an 'analytics SDK' framing.","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 devplatform-nx-spa (npm)","id":"MAL-2026-12727","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":"devplatform-nx-spa","purl":"pkg:npm/devplatform-nx-spa","source":"MAL-2026-12727"}],"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-2026-12727/"}