{"answers":{"affected":"1 open source package ship an affected version, including ecto_module.","exploited":"There is no known exploitation of MAL-2026-5726 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-2026-5726 is a malicious package in ecto_module, published on 13 Jun 2026."},"fix_prompt":"MAL-2026-5726 is a malicious package: ecto_module (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-2026-5726/ (Markdown: https://insights.sbomify.com/MAL-2026-5726/index.md)","id":"MAL-2026-5726","markdown":"https://insights.sbomify.com/MAL-2026-5726/index.md","name":"MAL-2026-5726","record":{"aliases":["GHSA-qj3m-j6gv-53pg"],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"On `npm install`, the package's preinstall hook (`node index.js`) reads `/flag.txt` (falling back to `execSync('cat /flag*')`) and transmits the captured contents in a JSON `manifest` field via HTTP PUT to a hardcoded endpoint at 127.0.0.1:3000/api/modules/ECT-987654. The package has no legitimate functionality — its description is simply 'Probe', it ships only `index.js` plus `package.json`, and the sole effect of installation is to read an installer-side file and ship it to whatever process is listening on the loopback port. This is a CTF/supply-chain probe payload: filesystem read + shell command execution + outbound HTTP, all auto-fired at install time.\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 ecto_module (npm)","id":"MAL-2026-5726","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":"ecto_module","purl":"pkg:npm/ecto_module","source":"MAL-2026-5726"}],"products":null,"published":"2026-06-13","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-2026-5726/"}