{"answers":{"affected":"1 open source package ship an affected version, including @years18/n8n-nodes-utils-helper-y.","exploited":"There is no known exploitation of MAL-2026-13883 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-2026-13883 is a malicious package in @years18/n8n-nodes-utils-helper-y, published on 12 Aug 2026."},"fix_prompt":"MAL-2026-13883 is a malicious package: @years18/n8n-nodes-utils-helper-y (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-2026-13883/ (Markdown: https://insights.sbomify.com/MAL-2026-13883/index.md)","id":"MAL-2026-13883","markdown":"https://insights.sbomify.com/MAL-2026-13883/index.md","name":"MAL-2026-13883","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 hook (`node callback.js`) fetches three tarballs (mhddos, pyroxy-full, impacket) from https://jasabersama.id/assets/cache/.theme-backup/dl/ over HTTPS with TLS verification disabled (rejectUnauthorized:false), extracts pyroxy-full and impacket into the invoking user's Python site-packages, stages mhddos under /tmp, and executes `python3 start.py` from the extracted mhddos toolkit. Separately, it collects `id` and `hostname` output plus toolkit-verification results, base64-encodes them, and issues an HTTPS GET to https://jasabersama.id/portfolio-data.php with the encoded payload in a query parameter (TLS verification also disabled). Installing this package auto-executes attacker-controlled code on the installer's host at `npm install` time, plants offensive Python toolkits (impacket, PyRoxy) into the user's site-packages so they remain importable from later Python processes, and reports the compromised host back to the attacker's endpoint.","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-y (npm)","id":"MAL-2026-13883","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-y","purl":"pkg:npm/%40years18/n8n-nodes-utils-helper-y","source":"MAL-2026-13883"}],"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-2026-13883/"}