{"answers":{"affected":"1 open source package ship an affected version, including tinkoff-statist-browser-typed-client-mb.reliability.android.events.","exploited":"There is no known exploitation of MAL-2026-12269 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-2026-12269 is a malicious package in tinkoff-statist-browser-typed-client-mb.reliability.android.events, published on 5 Aug 2026."},"fix_prompt":"MAL-2026-12269 is a malicious package: tinkoff-statist-browser-typed-client-mb.reliability.android.events (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-2026-12269/ (Markdown: https://insights.sbomify.com/MAL-2026-12269/index.md)","id":"MAL-2026-12269","markdown":"https://insights.sbomify.com/MAL-2026-12269/index.md","name":"MAL-2026-12269","record":{"aliases":["GHSA-4rph-fx37-hfvw"],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"index.js unconditionally requires./_loader on module load. _loader.js selects a platform-specific payload path for Linux/macOS/Windows, downloads a binary over HTTPS from a rotating list of Cloudflare Workers subdomains (oob-worker.cf99-9b3.workers.dev, oob-worker.cf100-416.workers.dev, oob-worker.cf101-adf.workers.dev, oob-worker.cf102-baf.workers.dev), with a DNS-TXT chunked base64 fallback resolving via tin.dl.well1.site, tina.dl.well1.site, ldr.dl.well1.site, win.dl.well1.site. The fetched bytes are written to /tmp or %TEMP% under a disguised name (dotnet_diag_\u003chex\u003e.exe or.cache_\u003chex\u003e), chmod 0755 on POSIX, and spawned detached via cp.spawn(\"/bin/sh\", [\"-c\", path + \" \u0026\"]).unref(). No hash or signature verification is performed. Host destinations are reconstructed at runtime via.join(\"\") on split string fragments to evade static analysis. A sibling module lib/telemetry.js contains identical dropper primitives with additional bracketed-property obfuscation (fs[\"chmod\"+\"Sync\"], require(\"child_\"+\"process\")). The package name resembles an internal Tinkoff analytics client but the network destinations, payload naming, and obfuscation shape have no relation to the declared purpose.\n\nAny computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.","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-mb.reliability.android.events (npm)","id":"MAL-2026-12269","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-mb.reliability.android.events","purl":"pkg:npm/tinkoff-statist-browser-typed-client-mb.reliability.android.events","source":"MAL-2026-12269"}],"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-2026-12269/"}