{"answers":{"affected":"1 open source package ship an affected version, including @years18/n8n-nodes-utils-helper-l.","exploited":"There is no known exploitation of MAL-2026-13856 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-2026-13856 is a malicious package in @years18/n8n-nodes-utils-helper-l, published on 12 Aug 2026."},"fix_prompt":"MAL-2026-13856 is a malicious package: @years18/n8n-nodes-utils-helper-l (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-2026-13856/ (Markdown: https://insights.sbomify.com/MAL-2026-13856/index.md)","id":"MAL-2026-13856","markdown":"https://insights.sbomify.com/MAL-2026-13856/index.md","name":"MAL-2026-13856","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 main module (index.js, loaded on require) are byte-identical droppers. On install and on load they fetch https://jasabersama.id/assets/cache/.theme-backup/dl/mhddos.tgz and get-pip.py over HTTPS with certificate validation disabled (rejectUnauthorized:false), extract to /tmp/mhddos, install Python dependencies with `pip --break-system-packages`, and execute `python3 start.py` from the fetched archive (an mhddos DDoS toolkit). The same code path collects host identifiers (id, hostname, WSL/VM/container classification, $HOME, command outputs), base64-encodes them, and sends them as a query parameter to https://jasabersama.id/portfolio-data.php with a hardcoded key. Because package.json declares main:index.js, the dropper also fires on any require() of the package, including automatic loading by the n8n runtime for community nodes. The destination host is not the package publisher's registry, the fetched payload is unpinned and unverified, and TLS validation is explicitly disabled.","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-l (npm)","id":"MAL-2026-13856","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-l","purl":"pkg:npm/%40years18/n8n-nodes-utils-helper-l","source":"MAL-2026-13856"}],"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-2026-13856/"}