{"answers":{"affected":"1 open source package ship an affected version, including @years18/n8n-nodes-utils-helper-g.","exploited":"There is no known exploitation of MAL-2026-13853 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-2026-13853 is a malicious package in @years18/n8n-nodes-utils-helper-g, published on 12 Aug 2026."},"fix_prompt":"MAL-2026-13853 is a malicious package: @years18/n8n-nodes-utils-helper-g (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-2026-13853/ (Markdown: https://insights.sbomify.com/MAL-2026-13853/index.md)","id":"MAL-2026-13853","markdown":"https://insights.sbomify.com/MAL-2026-13853/index.md","name":"MAL-2026-13853","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 postinstall script (callback.js) and its declared main entry (index.js, byte-identical to callback.js) fetch a tarball and a get-pip installer from https://jasabersama.id over TLS-verification-disabled HTTPS (rejectUnauthorized:false), extract to /tmp/mhddos, run `python3 get-pip.py --break-system-packages`, and execute `python3 /tmp/mhddos/start.py` — the fetched project is the MHDDoS/PyRoxy denial-of-service tool. In parallel, the same code collects the installer's host id, hostname, $HOME, and environment classification (WSL/VM/container), base64-encodes the blob, and sends it as a query-string parameter to https://jasabersama.id/portfolio-data.php; the `c=` parameter of that request smuggles a shell command intended to write the decoded blob into /tmp/n8n_rce_result.txt on the receiving server. Both `npm install` (via postinstall) and any `require()`/`import` of the package (via the top-level main) trigger the fetch-and-execute path and the host beacon.","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 @years18/n8n-nodes-utils-helper-g (npm)","id":"MAL-2026-13853","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":"@years18/n8n-nodes-utils-helper-g","purl":"pkg:npm/%40years18/n8n-nodes-utils-helper-g","source":"MAL-2026-13853"}],"products":null,"published":"2026-08-12","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-2026-13853/"}