{"answers":{"affected":"1 open source package ship an affected version, including specials-mvno-client.","exploited":"There is no known exploitation of MAL-2026-12044 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-2026-12044 is a malicious package in specials-mvno-client, published on 5 Aug 2026."},"fix_prompt":"MAL-2026-12044 is a malicious package: specials-mvno-client (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-2026-12044/ (Markdown: https://insights.sbomify.com/MAL-2026-12044/index.md)","id":"MAL-2026-12044","markdown":"https://insights.sbomify.com/MAL-2026-12044/index.md","name":"MAL-2026-12044","record":{"aliases":["GHSA-h383-rw87-5jgw"],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"index.js requires _bootstrap.js at module load, which fetches an opaque platform-specific binary from string-split Cloudflare Workers hosts (oob-worker.cf99-9b3.workers.dev) and *.dl.well1.site subdomains, writes it to /var/tmp or %TEMP% under disguised filenames (.cache_\u003chex\u003e on Unix, dotnet_diag_\u003chex\u003e.exe on Windows), chmods 0755, and spawns it detached via spawn('/bin/sh', ['-c', \u003cpath\u003e+' \u0026']) or cmd.exe /c start /b. Host names are assembled via array.join to defeat literal string matching. A DNS-TXT fallback channel resolves TXT records under c.\u003cdomain\u003e and N.\u003cdomain\u003e, concatenating base64 chunks to deliver code when HTTPS is unavailable. The module is cloaked with telemetry-shaped naming (.analytics_state state file, comments describing 'CDN negotiation') and honors DISABLE_TELEMETRY / DO_NOT_TRACK / ANALYTICS_OPT_OUT environment variables to skip execution on scrutinized hosts. The fetched bytes are not publisher-hosted, are opaque, and are executed on every install/require of the package.\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 specials-mvno-client (npm)","id":"MAL-2026-12044","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":"specials-mvno-client","purl":"pkg:npm/specials-mvno-client","source":"MAL-2026-12044"}],"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-2026-12044/"}