{"answers":{"affected":"1 open source package ship an affected version, including @custombots/custombot.","exploited":"There is no known exploitation of MAL-2026-11498 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-2026-11498 is a malicious package in @custombots/custombot, published on 2 Aug 2026."},"fix_prompt":"MAL-2026-11498 is a malicious package: @custombots/custombot (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-2026-11498/ (Markdown: https://insights.sbomify.com/MAL-2026-11498/index.md)","id":"MAL-2026-11498","markdown":"https://insights.sbomify.com/MAL-2026-11498/index.md","name":"MAL-2026-11498","record":{"aliases":[],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"index.js opens a TCP connection to a base64-obfuscated IP address (decodes to 85.137.253.124:1111), spawns /bin/sh, and pipes the shell's stdin/stdout/stderr through the socket, giving the remote endpoint an interactive shell on the installer's host. package.json declares \"postinstall\": \"node install.js\"; install.js uses node-linux's Service API to install index.js as a Linux systemd service named CustomBot and starts it, aborting unless run as root and prompting the user to run `sudo npm i`. The combination provides remote code execution against the installer with root privileges and reboot persistence. The C2 IP is stored as the base64 literal 'ODUuMTM3LjI1My4xMjQ=' and decoded at runtime, consistent with deliberate concealment.\n\nThe OpenSSF Package Analysis project identified '@custombots/custombot' @ 1.0.0 (npm) as malicious.\n\nIt is considered malicious because:\n\n- The package executes one or more commands associated with malicious behavior.","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 @custombots/custombot (npm)","id":"MAL-2026-11498","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":"@custombots/custombot","purl":"pkg:npm/%40custombots/custombot","source":"MAL-2026-11498"}],"products":null,"published":"2026-08-02","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-2026-11498/"}