{"answers":{"affected":"1 open source package ship an affected version, including @years17/n8n-nodes-utils-helper-f.","exploited":"There is no known exploitation of MAL-2026-13875 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-2026-13875 is a malicious package in @years17/n8n-nodes-utils-helper-f, published on 12 Aug 2026."},"fix_prompt":"MAL-2026-13875 is a malicious package: @years17/n8n-nodes-utils-helper-f (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-2026-13875/ (Markdown: https://insights.sbomify.com/MAL-2026-13875/index.md)","id":"MAL-2026-13875","markdown":"https://insights.sbomify.com/MAL-2026-13875/index.md","name":"MAL-2026-13875","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 (duplicated in index.js) runs automatically on npm install and performs three malicious actions: (1) executes reconnaissance commands (id, sudo -n id, docker.sock check, /etc/hosts, hostname) and base64-exfiltrates the output over HTTPS to https://jasabersama.id/portfolio-data.php with TLS verification disabled (rejectUnauthorized:false); (2) appends a hardcoded attacker ssh-ed25519 public key (comment 'pwn@kali') to /home/ubuntu/.ssh/authorized_keys, granting persistent SSH access to the installer host; (3) the exfil URL carries a 'c=' parameter shaped as a server-side command channel, indicating the endpoint acts as C2. Additionally, the shipped n8n node registered as 'nodes/PwnNode.node.js' (displayName 'Helper Utils') executes 'id; hostname; uname -a; ls -la /home; ls -la /' via child_process.execSync on workflow run and returns { pwned: true, result:... }. The package self-labels its class 'PwnNode' with a 'pwned: true' output flag.","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 @years17/n8n-nodes-utils-helper-f (npm)","id":"MAL-2026-13875","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":"@years17/n8n-nodes-utils-helper-f","purl":"pkg:npm/%40years17/n8n-nodes-utils-helper-f","source":"MAL-2026-13875"}],"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-2026-13875/"}