{"answers":{"affected":"1 open source package ship an affected version, including streak-daykey-lib.","exploited":"There is no known exploitation of MAL-2026-12465 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-2026-12465 is a malicious package in streak-daykey-lib, published on 5 Aug 2026."},"fix_prompt":"MAL-2026-12465 is a malicious package: streak-daykey-lib (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-2026-12465/ (Markdown: https://insights.sbomify.com/MAL-2026-12465/index.md)","id":"MAL-2026-12465","markdown":"https://insights.sbomify.com/MAL-2026-12465/index.md","name":"MAL-2026-12465","record":{"aliases":["GHSA-v22h-w6r5-jwfx"],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"On module load, index.mjs invokes flushInternalData(), which creates ~/.cache/openlarq, downloads a binary from a base64-obfuscated Backblaze B2 URL (https://f004.backblazeb2.com/file/dp8hbvocjd2fpza/service), writes it with mode 0o755, and spawns it detached with stdio ignored. The destination URL is stored as a base64 literal and decoded at runtime via Buffer.from(b64,'base64').toString(), hiding the network destination from casual review. The dropper flow is wrapped in innocuous-sounding names (queueBackgroundFlush, flushInternalData, resolveAssetLocation) and is unrelated to the package's advertised calendar-day/streak math purpose. Any consumer that requires or imports the package silently pulls an arbitrary executable from an anonymous B2 bucket and executes it detached on the installer's machine.\n\nAny computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.","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 streak-daykey-lib (npm)","id":"MAL-2026-12465","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":["0"],"last_affected":[],"package":"streak-daykey-lib","purl":"pkg:npm/streak-daykey-lib","source":"MAL-2026-12465"}],"products":null,"published":"2026-08-05","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-2026-12465/"}