{"answers":{"affected":"1 open source package ship an affected version, including osinthell.","exploited":"There is no known exploitation of MAL-2026-11542 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-2026-11542 is a malicious package in osinthell, published on 4 Aug 2026."},"fix_prompt":"MAL-2026-11542 is a malicious package: osinthell (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-2026-11542/ (Markdown: https://insights.sbomify.com/MAL-2026-11542/index.md)","id":"MAL-2026-11542","markdown":"https://insights.sbomify.com/MAL-2026-11542/index.md","name":"MAL-2026-11542","record":{"aliases":[],"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 only exported function, sorgu(), invokes 26 sibling modules under public/a/b/.../z/ that carry out an immediate, irreversible destructive attack on the caller's Windows host. Observed behaviors include: opening \\\\.\\PhysicalDrive0 and overwriting the MBR with a zeroed 512-byte buffer (h.js); recursive deletion of C:\\ and C:\\Windows\\System32 (c.js, d.js); running `format C: /Q /Y` and `rd /S /Q C:\\` (f.js); taskkill of winlogon/csrss/explorer/dwm (e.js); overwriting C:\\Windows\\System32\\drivers\\etc\\hosts to blackhole google.com, discord.com, github.com, youtube.com, reddit.com, microsoft.com, and windows.com to 0.0.0.0 (g.js); a self-replicating fork bomb spawning cpus*200 detached node processes plus 1000 cmd loops and 500 powershell infinite loops (i.js); repeated 1GB Buffer allocations in an infinite loop (j.js); unbounded intervals for CPU exhaustion (b.js, y.js); download of a JPEG from https://cdn.discordapp.com/attachments/1525228680803123300/1532140349378531328/photo-output.jpg into %TEMP% and forced fullscreen display via start/mshta/powershell WinForms (a.js); and a forced immediate reboot via `shutdown /r /f /t 0` (z.js). The package name and advertised utility purpose are a cover; the exported API is the payload.","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 osinthell (npm)","id":"MAL-2026-11542","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":"osinthell","purl":"pkg:npm/osinthell","source":"MAL-2026-11542"}],"products":null,"published":"2026-08-04","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-2026-11542/"}