{"answers":{"affected":"1 open source package ship an affected version, including @cap-js/openapi.","exploited":"There is no known exploitation of MAL-2026-4161 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-2026-4161 is a malicious package in @cap-js/openapi, published on 19 May 2026."},"fix_prompt":"MAL-2026-4161 is a malicious package: @cap-js/openapi (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-2026-4161/ (Markdown: https://insights.sbomify.com/MAL-2026-4161/index.md)","id":"MAL-2026-4161","markdown":"https://insights.sbomify.com/MAL-2026-4161/index.md","name":"MAL-2026-4161","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 @cap-js/openapi was found to contain malicious code.\n\nThis package was compromised as part of the ongoing \"Mini Shai-Hulud is back\" worm by the TeamPCP threat actor.\n\nThe package will steal credentials and then propogate it to every package it has access to. The package also attempts to remain persistent.","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 @cap-js/openapi (npm)","id":"MAL-2026-4161","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":"@cap-js/openapi","purl":"pkg:npm/%40cap-js%2Fopenapi","source":"MAL-2026-4161"}],"products":null,"published":"2026-05-19","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-2026-4161/"}