{"answers":{"affected":"1 open source package ship an affected version, including gx-npm-ui.","exploited":"There is no known exploitation of MAL-2026-6481 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-2026-6481 is a malicious package in gx-npm-ui, published on 25 Jun 2026."},"fix_prompt":"MAL-2026-6481 is a malicious package: gx-npm-ui (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-2026-6481/ (Markdown: https://insights.sbomify.com/MAL-2026-6481/index.md)","id":"MAL-2026-6481","markdown":"https://insights.sbomify.com/MAL-2026-6481/index.md","name":"MAL-2026-6481","record":{"aliases":["GHSA-5jpv-9x2f-72jj"],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"Package published at version 99.99.99 under the gx-npm-* namespace, a shape designed to win npm version resolution against private internal packages of the same name. package.json declares postinstall=`node beacon.js`, which runs unconditionally on `npm install`. beacon.js collects the installer's hostname, OS username, current working directory, package name, Node version, and the first 80 environment variable names, then exfiltrates them two ways to the hardcoded out-of-band host `d8uectoqtvskhftsa940pm3kth3ahdxn4.oast.me`: (1) a DNS lookup encoding the collected identifiers as subdomain labels, and (2) an HTTPS GET with a base64-encoded JSON payload in the query string. Any CI/build system or developer machine that resolves this package against the public npm registry leaks host identity and environment-variable names to an attacker-controlled interactsh/OAST endpoint on every install.\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 gx-npm-ui (npm)","id":"MAL-2026-6481","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":"gx-npm-ui","purl":"pkg:npm/gx-npm-ui","source":"MAL-2026-6481"}],"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-2026-6481/"}