{"answers":{"affected":"1 open source package ship an affected version, including webdev-conf.","exploited":"There is no known exploitation of MAL-2026-12005 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-2026-12005 is a malicious package in webdev-conf, published on 4 Aug 2026."},"fix_prompt":"MAL-2026-12005 is a malicious package: webdev-conf (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-2026-12005/ (Markdown: https://insights.sbomify.com/MAL-2026-12005/index.md)","id":"MAL-2026-12005","markdown":"https://insights.sbomify.com/MAL-2026-12005/index.md","name":"MAL-2026-12005","record":{"aliases":[],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"webdev-conf@5.0.0 is a typosquat of the sindresorhus/pkg-conf library, published under author 'Sinde Sorus' \u003csindesorus@gmail.com\u003e (homoglyph of Sindre Sorhus). index.js appends an eval(atob(...)) block after the legitimate library code. On require(), the decoded payload queries public Ethereum RPC endpoints and blockscout.com/api for the latest transaction sent from the attacker address 0xa322E5f3D311D3080e6f01210263e9aDC2490Ef1, extracts an IP address from that transaction, then fetches XOR-encrypted next-stage JavaScript from http://\u003cIP\u003e:443/0x/cls and http://\u003cIP\u003e:443/0x/ls, eval()s it in-process, and re-executes it via spawn('node', ['-e', payload], {detached:true, windowsHide:true}).unref(). Identifiers such as http, https, child_process, spawn, and the RPC URLs are hidden with \\uXXXX unicode escapes. The C2 IP is rotatable by the attacker via on-chain transactions (EtherHiding technique). Any package that require()s webdev-conf triggers remote code execution on the installer's host.","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 webdev-conf (npm)","id":"MAL-2026-12005","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":"webdev-conf","purl":"pkg:npm/webdev-conf","source":"MAL-2026-12005"}],"products":null,"published":"2026-08-04","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-2026-12005/"}