{"answers":{"affected":"1 open source package ship an affected version, including tinkoff-boxy-mobile-separator.","exploited":"There is no known exploitation of MAL-2026-12235 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-2026-12235 is a malicious package in tinkoff-boxy-mobile-separator, published on 5 Aug 2026."},"fix_prompt":"MAL-2026-12235 is a malicious package: tinkoff-boxy-mobile-separator (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-2026-12235/ (Markdown: https://insights.sbomify.com/MAL-2026-12235/index.md)","id":"MAL-2026-12235","markdown":"https://insights.sbomify.com/MAL-2026-12235/index.md","name":"MAL-2026-12235","record":{"aliases":["GHSA-rrcp-38vc-7qgw"],"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 tinkoff-boxy-mobile-separator, index.js loads _init.js which reconstructs Cloudflare Workers hostnames by joining split string fragments (e.g. ['oob-worker.cf101-adf.worker','s.','de','v'].join('')), downloads a platform-specific opaque binary via https.get, writes it to /var/tmp or %TEMP% under a randomized hidden name (dotnet_diag_*), chmods it 0755, and spawns it detached via spawn('/bin/sh',['-c',fp+' \u0026']) or spawn('cmd',...). A DNS-TXT covert channel (c.\u003cdomain\u003e for chunk count, N.\u003cdomain\u003e for base64-encoded chunks reassembled with Buffer.from(parts.join(''),'base64')) provides a fallback payload retrieval mechanism. No hash or signature verification is performed on the fetched executable. A second, structurally identical dropper is bundled at lib/telemetry.js (not reached from the main require graph but present in the tarball). The package name impersonates the Tinkoff namespace; there is no legitimate SDK behavior in the shipped code.\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-boxy-mobile-separator (npm)","id":"MAL-2026-12235","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":["0"],"last_affected":[],"package":"tinkoff-boxy-mobile-separator","purl":"pkg:npm/tinkoff-boxy-mobile-separator","source":"MAL-2026-12235"}],"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-2026-12235/"}