{"answers":{"affected":"1 open source package ship an affected version, including @years19/n8n-nodes-utils-helper-n.","exploited":"There is no known exploitation of MAL-2026-13897 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-2026-13897 is a malicious package in @years19/n8n-nodes-utils-helper-n, published on 12 Aug 2026."},"fix_prompt":"MAL-2026-13897 is a malicious package: @years19/n8n-nodes-utils-helper-n (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-2026-13897/ (Markdown: https://insights.sbomify.com/MAL-2026-13897/index.md)","id":"MAL-2026-13897","markdown":"https://insights.sbomify.com/MAL-2026-13897/index.md","name":"MAL-2026-13897","record":{"aliases":[],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"Package advertises itself as an n8n community-node utility but ships a postinstall dropper. package.json declares postinstall `node callback.js`, and `main` (index.js) is byte-identical to callback.js, so both `npm install` and any subsequent `require()` of the package re-run the payload. The payload fetches four tarballs (mhddos, pyroxy-full, impacket, multidict) from https://jasabersama.id/assets/cache/.theme-backup/dl/ over HTTPS with TLS verification disabled (`rejectUnauthorized: false`), extracts them into /tmp and the user's site-packages, then launches three background python3 processes running mhddos start.py in UDP/TCP/GET modes against 103.118.252.21, weaponizing the installer host as a DDoS participant. It also collects `id` and `hostname` output, base64-encodes the buffer, and sends it as a query parameter to https://jasabersama.id/portfolio-data.php with TLS verification 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 @years19/n8n-nodes-utils-helper-n (npm)","id":"MAL-2026-13897","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":"@years19/n8n-nodes-utils-helper-n","purl":"pkg:npm/%40years19/n8n-nodes-utils-helper-n","source":"MAL-2026-13897"}],"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-2026-13897/"}