{"answers":{"affected":"1 open source package ship an affected version, including set-proto-chain.","exploited":"There is no known exploitation of MAL-2026-6079 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-2026-6079 is a malicious package in set-proto-chain, published on 17 Jun 2026."},"fix_prompt":"MAL-2026-6079 is a malicious package: set-proto-chain (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-2026-6079/ (Markdown: https://insights.sbomify.com/MAL-2026-6079/index.md)","id":"MAL-2026-6079","markdown":"https://insights.sbomify.com/MAL-2026-6079/index.md","name":"MAL-2026-6079","record":{"aliases":["GHSA-7p39-r7q7-jcv7"],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"lib/index.js contains a base64-encoded URL (decoding to https://jsonkeeper.com/b/BN77K, an anonymous mutable paste host) that is fetched via axios.get; the response's `.data.cookie` field is then written to the stdin of a detached `node` child process for execution. The top-level index.js calls getThetaInterface() unconditionally, and package.json declares `postinstall: node index.js`, so the fetch-and-execute path fires automatically on `npm install` as well as on require(). The fetched payload is attacker-controlled and can change at any time. The package additionally impersonates the legitimate `proto-chain` package (README header `# proto-chain`, runtime error messages referencing `require('proto-chain')`), making accidental installs more likely.\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 set-proto-chain (npm)","id":"MAL-2026-6079","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":"set-proto-chain","purl":"pkg:npm/set-proto-chain","source":"MAL-2026-6079"}],"products":null,"published":"2026-06-17","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-2026-6079/"}