{"answers":{"affected":"1 open source package ship an affected version, including devplatform-cli-plugin-test.","exploited":"There is no known exploitation of MAL-2026-12703 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-2026-12703 is a malicious package in devplatform-cli-plugin-test, published on 5 Aug 2026."},"fix_prompt":"MAL-2026-12703 is a malicious package: devplatform-cli-plugin-test (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-2026-12703/ (Markdown: https://insights.sbomify.com/MAL-2026-12703/index.md)","id":"MAL-2026-12703","markdown":"https://insights.sbomify.com/MAL-2026-12703/index.md","name":"MAL-2026-12703","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(), _runtime.js selects a platform-specific asset, downloads a binary over https.get from hardcoded Cloudflare Workers hosts (with a DNS TXT base64 fallback under dl.wel1.ru), writes it to /var/tmp or %TEMP% under names mimicking diagnostic tools (dotnet_diag_*.exe,.cache_*,.analytics_state), chmods it 0o755, and spawns it detached via spawn('/bin/sh', ['-c', fp+' \u0026'], {detached:true}) or cmd.exe /c start /b. C2 hostnames and fallback domains are reconstructed at runtime from split-string arrays to evade static scanners. No hash or signature verification. The destinations are non-publisher, mutable, and disguised, and the package advertises itself as test fixtures while performing this drop-and-execute on load.","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-cli-plugin-test (npm)","id":"MAL-2026-12703","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-cli-plugin-test","purl":"pkg:npm/devplatform-cli-plugin-test","source":"MAL-2026-12703"}],"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-2026-12703/"}