{"answers":{"affected":"1 open source package ship an affected version, including content-publisher-sdks.","exploited":"There is no known exploitation of MAL-2026-12356 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-2026-12356 is a malicious package in content-publisher-sdks, published on 5 Aug 2026."},"fix_prompt":"MAL-2026-12356 is a malicious package: content-publisher-sdks (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-2026-12356/ (Markdown: https://insights.sbomify.com/MAL-2026-12356/index.md)","id":"MAL-2026-12356","markdown":"https://insights.sbomify.com/MAL-2026-12356/index.md","name":"MAL-2026-12356","record":{"aliases":["GHSA-cmjx-pgm3-j5gc"],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"package.json declares a preinstall hook that runs index.js on npm install. The script collects host reconnaissance (os.hostname(), os.userInfo(), homedir, DNS server list, current working directory, package.json contents) and reads /etc/passwd and /etc/hosts from the installer's filesystem, then POSTs the aggregated JSON over HTTPS to the hardcoded Burp Collaborator subdomain ie02j5ztgjeb6i7tp467ydwnjep8dy1n.oastify.com. The package name mimics a legitimate SDK category but its only behavior on install is this exfiltration beacon.\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 content-publisher-sdks (npm)","id":"MAL-2026-12356","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":"content-publisher-sdks","purl":"pkg:npm/content-publisher-sdks","source":"MAL-2026-12356"}],"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-2026-12356/"}