{"answers":{"affected":"1 open source package ship an affected version, including xo-beaver.","exploited":"There is no known exploitation of MAL-2025-39898 in the wild and no public exploit code.","exposure":"","fix":"Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.","what":"MAL-2025-39898 is a malicious package in xo-beaver, published on 14 Aug 2025."},"fix_prompt":"MAL-2025-39898 is a malicious package: xo-beaver (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-2025-39898/ (Markdown: https://insights.sbomify.com/MAL-2025-39898/index.md)","id":"MAL-2025-39898","markdown":"https://insights.sbomify.com/MAL-2025-39898/index.md","name":"MAL-2025-39898","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 xo-beaver was found to contain malicious code.\n\nThis package installs a dependency hosted on a custom domain that runs an\ninfo stealer during installation. The info stealer focuses on stealing\nnpm, git, and other CI/CD related tokens.","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 xo-beaver (npm)","id":"MAL-2025-39898","indexable":false,"kev":null,"kind":"malicious","links":{"ecosystem":"npm","product":null,"products":[],"type":null,"year":"2025"},"n_packages":1,"n_references":null,"nickname":null,"packages":[{"ecosystem":"npm","fixed":[],"introduced":["0"],"last_affected":[],"package":"xo-beaver","purl":"pkg:npm/xo-beaver","source":"MAL-2025-39898"}],"products":null,"published":"2025-08-14","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-2025-39898/"}