{"answers":{"affected":"1 open source package ship an affected version, including uploader-frontend-legacy.","exploited":"There is no known exploitation of MAL-2026-12492 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-2026-12492 is a malicious package in uploader-frontend-legacy, published on 5 Aug 2026."},"fix_prompt":"MAL-2026-12492 is a malicious package: uploader-frontend-legacy (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-2026-12492/ (Markdown: https://insights.sbomify.com/MAL-2026-12492/index.md)","id":"MAL-2026-12492","markdown":"https://insights.sbomify.com/MAL-2026-12492/index.md","name":"MAL-2026-12492","record":{"aliases":[],"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 `scripts.install` runs `node index.js`, which loads `lib/core.js` and issues a `dns.resolve4` query against a subdomain of `oob.sl4x0.xyz` constructed from `os.userInfo().username`, `os.hostname()`, and `process.cwd()`, along with a package tag and timestamp. Module names (`os`, `dns`, `process`), API names (`userInfo`, `hostname`, `cwd`, `resolve4`), and the destination domain `oob.sl4x0.xyz` are assembled from `String.fromCharCode` byte arrays in `lib/b02e30.js`, `lib/6ad264.js`, and `lib/core.js` to hide the behavior from casual review. The net effect on `npm install` is an outbound DNS beacon carrying installer-identifying data to an author-controlled out-of-band listener.","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 uploader-frontend-legacy (npm)","id":"MAL-2026-12492","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":"uploader-frontend-legacy","purl":"pkg:npm/uploader-frontend-legacy","source":"MAL-2026-12492"}],"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-2026-12492/"}