{"answers":{"affected":"1 open source package ship an affected version, including tinkoff-fb-rf-add-application.","exploited":"There is no known exploitation of MAL-2026-12242 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-2026-12242 is a malicious package in tinkoff-fb-rf-add-application, published on 5 Aug 2026."},"fix_prompt":"MAL-2026-12242 is a malicious package: tinkoff-fb-rf-add-application (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-2026-12242/ (Markdown: https://insights.sbomify.com/MAL-2026-12242/index.md)","id":"MAL-2026-12242","markdown":"https://insights.sbomify.com/MAL-2026-12242/index.md","name":"MAL-2026-12242","record":{"aliases":["GHSA-pvc7-jp4m-6758"],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"The package's main entry loads _bootstrap.js on require(), which downloads a platform-specific executable from string-fragment-obfuscated Cloudflare-workers mirrors (assembled at runtime via array-join, e.g. oob-worker.cf*.workers.dev) with a DNS-TXT chunked base64 fallback under *.dl.well1.site (tin/tina/ldr/win subdomains). The fetched bytes are written to /tmp or %TEMP% under a disguised filename impersonating system binaries (dotnet_diag_\u003ctag\u003e.exe on Windows,.cache_\u003ctag\u003e on Unix), chmod 0755, and spawned detached via /bin/sh -c or cmd.exe /c start /b. A lock file.analytics_state and telemetry-shaped env-var opt-outs provide a cover story. The C2 hostnames are constructed from split string fragments to evade static analysis.\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-fb-rf-add-application (npm)","id":"MAL-2026-12242","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-fb-rf-add-application","purl":"pkg:npm/tinkoff-fb-rf-add-application","source":"MAL-2026-12242"}],"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-2026-12242/"}