{"id":"MAL-2026-16153","revision":null,"records":[{"revision":"4977cbb6aa2d403394413f45272c17fb","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"MAL-2026-16153","aliases":[],"title":"Malicious code in web-main (npm)","description":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (61680a5d53758bc9eb99b1cd2566e6e19139d09fee10a0096a5e72bb0953a5b2)\npackage.json declares `preinstall: node index.js`, causing index.js to execute automatically on `npm install`. The script collects os.hostname(), os.userInfo() (username/uid/gid/shell), platform, arch, homedir, and the stdout of `whoami`, `id`, and `pwd` via child_process.exec, then POSTs the aggregated JSON to a hardcoded endpoint at https://smi54v4uvb9q7ve5t6fnyro16scj0co1.oastify.com/system-info (a Burp Collaborator out-of-band host). No legitimate functionality is present; the package's sole effect on install is host reconnaissance and exfiltration to an attacker-controlled OOB collector.\n","state":0,"publishedAt":"2026-09-14T16:42:39+00:00","modifiedAt":"2026-09-14T17:30:06.150377+00:00","affected":[{"ecosystem":"npm","name":"web-main","ranges":[],"versions":["22.1.2"],"rawVersionEvidence":null}],"metrics":[],"references":["https://www.npmjs.com/package/web-main/v/22.1.2"],"sourceUrl":"https://osv.dev/vulnerability/MAL-2026-16153","license":"OSV · upstream source license applies","key":"osv:MAL-2026-16153","identifiers":["MAL-2026-16153"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-11-14T16:37:01.1614183+00:00","complete":true,"records":1781,"lastAttemptAt":"2026-11-14T16:37:01.1614183+00:00","lastSuccessAt":"2026-11-14T16:37:01.4583985+00:00","error":null,"lastVerifiedAt":"2026-11-14T16:37:01.4584012+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-f4305fb3b9417bd97547e9305731a80b9463cd5f49ef853b3cd62960cad53a57-b007a2fdbc305f2e84f7e527b324e777ffb0344a515201f74fe139e5061c2b80","complete":true,"records":425749,"lastAttemptAt":"2026-11-14T16:37:00.4273934+00:00","lastSuccessAt":"2026-11-14T16:37:00.3534279+00:00","error":null,"lastVerifiedAt":"2026-11-14T16:37:00.4273934+00:00","snapshotPublishedAt":"2026-11-14T16:19:35+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-3945cb2b9403461cb8f62a6773dfc88e","complete":true,"records":13821,"lastAttemptAt":"2026-11-14T16:37:46.0626592+00:00","lastSuccessAt":"2026-11-14T15:57:53.423+00:00","error":null,"lastVerifiedAt":"2026-11-14T15:57:53.423+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13874,"expectedIdentifiers":13874,"failedIdentifiers":0},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-14T16:37:01.1614183+00:00","complete":true,"records":1125,"lastAttemptAt":"2026-11-14T16:37:01.1614183+00:00","lastSuccessAt":"2026-11-14T16:37:03.6817849+00:00","error":null,"lastVerifiedAt":"2026-11-14T16:37:03.6817873+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-46fb9510a6854dc09dea9c2e78306ebe","complete":false,"records":13821,"lastAttemptAt":"2026-11-14T16:37:45.0841809+00:00","lastSuccessAt":"2026-11-14T16:37:45.08+00:00","error":"670 identifier lookups failed; latest failures include HttpError (HTTP 503). Other identifiers were checked independently.","lastVerifiedAt":"2026-11-14T16:37:45.08+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13004,"expectedIdentifiers":13874,"failedIdentifiers":670},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-64eea06dbd27de8464d5dbce1b78cc794cc59e2d901516ae0d3ea76e624cdae0","complete":true,"records":9955,"lastAttemptAt":"2026-11-14T16:37:00.8321466+00:00","lastSuccessAt":"2026-11-14T13:57:23.1208135+00:00","error":null,"lastVerifiedAt":"2026-11-14T16:37:00.8321466+00:00","snapshotPublishedAt":"2026-11-14T13:17:57+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-f4424d7d4861b1af1404bd15abcb83f295dcd003412a9340ca99dc8200aa148a","complete":true,"records":2014,"lastAttemptAt":"2026-11-14T16:37:00.5970617+00:00","lastSuccessAt":"2026-11-13T19:57:08.2864435+00:00","error":null,"lastVerifiedAt":"2026-11-14T16:37:00.5970617+00:00","snapshotPublishedAt":"2026-11-13T19:33:10+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-012aff9b2fb349d53e2c4bace6ca57956b6f5f9d82c1dc9fdc1c9b3c738f8977","complete":true,"records":3148,"lastAttemptAt":"2026-11-14T16:37:01.0391362+00:00","lastSuccessAt":"2026-11-14T04:57:03.8279646+00:00","error":null,"lastVerifiedAt":"2026-11-14T16:37:01.0391362+00:00","snapshotPublishedAt":"2026-11-14T03:02:50+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-0fa6043874468fa16fdc0311477d3c3a35589e224cd5d69155ea6bef24c165d5","complete":true,"records":232471,"lastAttemptAt":"2026-11-14T16:37:00.7134269+00:00","lastSuccessAt":"2026-11-14T14:59:00.1873373+00:00","error":null,"lastVerifiedAt":"2026-11-14T16:37:00.7134269+00:00","snapshotPublishedAt":"2026-11-14T14:33:17+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}