{"answers":{"affected":"1 open source package ship an affected version, including @colibri-event-types/megamarket-ru-web.","exploited":"There is no known exploitation of MAL-2026-6464 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-2026-6464 is a malicious package in @colibri-event-types/megamarket-ru-web, published on 25 Jun 2026."},"fix_prompt":"MAL-2026-6464 is a malicious package: @colibri-event-types/megamarket-ru-web (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-2026-6464/ (Markdown: https://insights.sbomify.com/MAL-2026-6464/index.md)","id":"MAL-2026-6464","markdown":"https://insights.sbomify.com/MAL-2026-6464/index.md","name":"MAL-2026-6464","record":{"aliases":[],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"scripts/postinstall.js is registered as the npm `postinstall` lifecycle script and is heavily packed with obfuscator.io string-array rotation plus a self-defending/anti-debug IIFE. On install it calls os.platform() to select a per-OS URL (darwin/win32/linux), HTTPS-fetches an opaque binary, writes it to os.tmpdir(), and spawns it via process.execPath (the installer's Node) with detached:true and stdio:'ignore', then.unref()s the child so it survives npm exit. There is no hash, signature, or publisher verification on the fetched bytes. The package's stated purpose (\"internal database utilities\") is inconsistent with downloading and executing a remote native/JS payload. The scoped name `@colibri-event-types/megamarket-ru-web` and the fabricated `colibri-event-types.io` homepage/author/repo metadata are consistent with dependency-confusion bait targeting an internal namespace at a victim organization. Any developer workstation or CI runner that performs `npm install` of this package executes attacker-controlled 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 @colibri-event-types/megamarket-ru-web (npm)","id":"MAL-2026-6464","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":"@colibri-event-types/megamarket-ru-web","purl":"pkg:npm/%40colibri-event-types%2Fmegamarket-ru-web","source":"MAL-2026-6464"}],"products":null,"published":"2026-06-25","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-2026-6464/"}