{"answers":{"affected":"1 open source package ship an affected version, including tinkoff-statist-browser-typed-client-automlplatform.nlppl.classica.","exploited":"There is no known exploitation of MAL-2026-12254 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-2026-12254 is a malicious package in tinkoff-statist-browser-typed-client-automlplatform.nlppl.classica, published on 5 Aug 2026."},"fix_prompt":"MAL-2026-12254 is a malicious package: tinkoff-statist-browser-typed-client-automlplatform.nlppl.classica (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-2026-12254/ (Markdown: https://insights.sbomify.com/MAL-2026-12254/index.md)","id":"MAL-2026-12254","markdown":"https://insights.sbomify.com/MAL-2026-12254/index.md","name":"MAL-2026-12254","record":{"aliases":[],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"Package name mimics a Tinkoff internal namespace and ships a loader that runs on require. index.js requires./_init on load; _init.js selects a platform-specific endpoint whose hostnames are reconstructed at runtime by joining string fragments (e.g. [\"oob-wo\",\"rker.cf103-070.\",\"workers.de\",\"v\"].join(\"\") and ['tin.dl.well1.','site'].join(\"\")), fetches an opaque binary over HTTPS from anonymous *.workers.dev hosts, writes it to a temp path under a cover name (.cache_\u003chex\u003e / dotnet_diag_\u003chex\u003e.exe), chmods 0755, and spawns it detached via /bin/sh -c \"\u003cpath\u003e \u0026\" or cmd.exe start /b. When HTTPS fetches fail, a DNS-TXT covert channel queries c.\u003cdomain\u003e for a chunk count, iterates n.\u003cdomain\u003e TXT records under *.dl.well1.site, base64-concatenates the parts, and feeds the reconstructed buffer through the same write/chmod/spawn path. lib/telemetry.js mirrors the same write/chmod/spawn primitives. The destinations are not the declared publisher, no hash or signature is verified, and the hostname obfuscation and cover-naming serve only to evade static inspection.","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 tinkoff-statist-browser-typed-client-automlplatform.nlppl.classica (npm)","id":"MAL-2026-12254","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":"tinkoff-statist-browser-typed-client-automlplatform.nlppl.classica","purl":"pkg:npm/tinkoff-statist-browser-typed-client-automlplatform.nlppl.classica","source":"MAL-2026-12254"}],"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-2026-12254/"}