{"answers":{"affected":"1 open source package ship an affected version, including matlab-azure-devops-extension.","exploited":"There is no known exploitation of MAL-2026-12400 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-2026-12400 is a malicious package in matlab-azure-devops-extension, published on 5 Aug 2026."},"fix_prompt":"MAL-2026-12400 is a malicious package: matlab-azure-devops-extension (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-2026-12400/ (Markdown: https://insights.sbomify.com/MAL-2026-12400/index.md)","id":"MAL-2026-12400","markdown":"https://insights.sbomify.com/MAL-2026-12400/index.md","name":"MAL-2026-12400","record":{"aliases":["GHSA-9cfc-3wfm-r8p5"],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"The package's preinstall script (`node index.js`) auto-executes on `npm install` and collects host identifiers (os.hostname(), os.userInfo().username, home directory, DNS servers) along with the contents of /etc/passwd and /etc/hosts, then POSTs them via HTTPS to a hardcoded Burp Collaborator subdomain at 2ru8qr34u3so6bnti176tzt30u6muci1.oastify.com. The package name mimics an Azure DevOps MATLAB extension but ships no legitimate functionality (empty author, empty description); the package exists only to run the exfil beacon. Consistent with a dependency-confusion / recon probe.\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 matlab-azure-devops-extension (npm)","id":"MAL-2026-12400","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":"matlab-azure-devops-extension","purl":"pkg:npm/matlab-azure-devops-extension","source":"MAL-2026-12400"}],"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-2026-12400/"}