{"answers":{"affected":"1 open source package ship an affected version, including chai-as-chain-v2.","exploited":"There is no known exploitation of MAL-2026-2886 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-2026-2886 is a malicious package in chai-as-chain-v2, published on 15 Apr 2026."},"fix_prompt":"MAL-2026-2886 is a malicious package: chai-as-chain-v2 (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-2026-2886/ (Markdown: https://insights.sbomify.com/MAL-2026-2886/index.md)","id":"MAL-2026-2886","markdown":"https://insights.sbomify.com/MAL-2026-2886/index.md","name":"MAL-2026-2886","record":{"aliases":["GHSA-89j2-wcf8-hqm3"],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"chai-as-chain-v2 is a malicious npm package that when imported downloads a C2 dropper from https://jsonkeeper[.]com/b/FAWPU and executes it (similar to malware in to chai-await-test).\n\nThe package chai-as-chain-v2 was found to contain malicious code.","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 chai-as-chain-v2 (npm)","id":"MAL-2026-2886","indexable":false,"kev":null,"kind":"malicious","links":{"ecosystem":"npm","product":null,"products":[],"type":null,"year":"2026"},"n_packages":1,"n_references":null,"nickname":null,"packages":[{"ecosystem":"npm","fixed":[],"introduced":["0"],"last_affected":[],"package":"chai-as-chain-v2","purl":"pkg:npm/chai-as-chain-v2","source":"MAL-2026-2886"}],"products":null,"published":"2026-04-15","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-2026-2886/"}