{"answers":{"affected":"1 open source package ship an affected version, including executable-stories-jest.","exploited":"There is no known exploitation of MAL-2026-5254 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-2026-5254 is a malicious package in executable-stories-jest, published on 5 Jun 2026."},"fix_prompt":"MAL-2026-5254 is a malicious package: executable-stories-jest (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-2026-5254/ (Markdown: https://insights.sbomify.com/MAL-2026-5254/index.md)","id":"MAL-2026-5254","markdown":"https://insights.sbomify.com/MAL-2026-5254/index.md","name":"MAL-2026-5254","record":{"aliases":[],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"No concrete installer-harm signals were identified for this package version. No lifecycle scripts, hardcoded network destinations, credential-path reads, or dropper patterns were captured in the available evidence. Routing to human review because automated coverage was partial and a confident allow/block determination cannot be made on the evidence at hand.\n\nThe Miasma malware is a self-propagating worm that spreads across the npm registry by abusing weaponized `binding.gyp` files to achieve execution during package installation, bypassing security tools that only inspect package lifecycle scripts. Upon execution, the malware attempts to exfiltrate credentials and OIDC tokens for various cloud and registry services, and propagates by compromising other packages managed by the stolen accounts or committing backdoor files to GitHub repositories.","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 executable-stories-jest (npm)","id":"MAL-2026-5254","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":"executable-stories-jest","purl":"pkg:npm/executable-stories-jest","source":"MAL-2026-5254"}],"products":null,"published":"2026-06-05","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-2026-5254/"}