{"id":"MAL-2026-12750","revision":null,"records":[{"revision":"5d3dd93369da4d44a8e29c9f7554500d","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"MAL-2026-12750","aliases":["GHSA-24m2-6frm-vxj3"],"title":"Malicious code in devplatform-sdk (npm)","description":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (c72866f0f03d8960696f4e272cbff49b861cc66557c5250a7d77f90a2310f33c)\nOn require('devplatform-sdk'), index.js loads _polyfill.js which auto-invokes start(): it selects a per-OS payload path, fetches a binary from string-concatenated Cloudflare Workers hosts (oob-worker.cf102-baf.workers.dev, oob-worker.cf99-9b3.workers.dev, oob-worker.cf101-adf.workers.dev) with DNS TXT fallback under sdk.dl.wel1.ru / ext.dl.wel1.ru / pkg.dl.wel1.ru / net.dl.wel1.ru, writes it under /var/tmp or %TEMP% with a camouflaged name (.cache_<rand> on Unix, dotnet_diag_<rand>.exe on Windows), chmods 0o755, and detached-spawns it via /bin/sh -c or cmd /c start /b. Evasion features accompany the drop-and-run: hostnames assembled from split fragments via.join(''), the dropped binary renamed to look like a system cache/diagnostic file, a mtime-based stamp file at /tmp/.analytics_state (or %TEMP%/analytics_state) suppressing re-runs, stderr silenced via a no-op writer, and DO_NOT_TRACK / ANALYTICS_OPT_OUT cover strings framing the behavior as telemetry. The package advertises itself as a lightweight SDK wrapper; the load-time behavior is a binary dropper delivering arbitrary attacker-controlled native code to the installer.\n\n## Source: ghsa-malware (0c1faec7851b22085501bf8ca9a3a10a04c0ac2392cdaea9c70ee4d59f73f501)\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.\n","state":0,"publishedAt":"2026-08-05T13:45:38+00:00","modifiedAt":"2026-09-23T01:00:11.7896179+00:00","affected":[{"ecosystem":"npm","name":"devplatform-sdk","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"}]}],"versions":["35.6.1"],"rawVersionEvidence":null}],"metrics":[],"references":["https://www.npmjs.com/package/devplatform-sdk/v/35.6.1","https://github.com/advisories/GHSA-24m2-6frm-vxj3"],"sourceUrl":"https://osv.dev/vulnerability/MAL-2026-12750","license":"OSV · upstream source license applies","key":"osv:MAL-2026-12750","identifiers":["MAL-2026-12750","GHSA-24m2-6frm-vxj3"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-11-12T21:16:34.5730792+00:00","complete":true,"records":1779,"lastAttemptAt":"2026-11-12T21:16:34.5730792+00:00","lastSuccessAt":"2026-11-12T21:16:34.7781818+00:00","error":null,"lastVerifiedAt":"2026-11-12T21:16:34.7781851+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-64752486c567b55b31fb0d7225f5222bcd0019564ac0ac5f0649e242c7b19299-203e202fbd67c0cbc347ba020411be78e9e154b4ca5912ba08a1c1b61a3b79e8","complete":true,"records":424847,"lastAttemptAt":"2026-11-12T21:16:24.9956006+00:00","lastSuccessAt":"2026-11-12T21:16:24.6892247+00:00","error":null,"lastVerifiedAt":"2026-11-12T21:16:24.9956006+00:00","snapshotPublishedAt":"2026-11-12T20:19:13+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-1253d9ed54bb4e1a8c191d635f5090a8","complete":true,"records":13780,"lastAttemptAt":"2026-11-12T21:17:25.2880474+00:00","lastSuccessAt":"2026-11-12T21:17:25.284+00:00","error":null,"lastVerifiedAt":"2026-11-12T21:17:25.284+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13833,"expectedIdentifiers":13833,"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":"2026-11-12T21:16:34.5730792+00:00","complete":true,"records":1123,"lastAttemptAt":"2026-11-12T21:16:34.5730792+00:00","lastSuccessAt":"2026-11-12T21:16:34.7790575+00:00","error":null,"lastVerifiedAt":"2026-11-12T21:16:34.7790576+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-c7da84f937d546f9bc47709812462004","complete":false,"records":13780,"lastAttemptAt":"2026-11-12T21:17:00.3939011+00:00","lastSuccessAt":"2026-11-12T21:17:00.39+00:00","error":null,"lastVerifiedAt":"2026-11-12T21:17:00.39+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13830,"expectedIdentifiers":13833,"failedIdentifiers":0},{"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-0db4c534aaa8e6aa34cb4db66b1c3dbcd45a9d81a0f263fa9d438e08e81869b0","complete":true,"records":9952,"lastAttemptAt":"2026-11-12T21:16:34.5223929+00:00","lastSuccessAt":"2026-11-12T21:16:34.1869923+00:00","error":null,"lastVerifiedAt":"2026-11-12T21:16:34.5223929+00:00","snapshotPublishedAt":"2026-11-12T21:03:11+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-4d60731753a2f72e455d1086e7203d0ef10843936dcc1cf2b45135e2caa204b0","complete":true,"records":2012,"lastAttemptAt":"2026-11-12T21:16:25.0464832+00:00","lastSuccessAt":"2026-11-12T18:16:50.7862525+00:00","error":null,"lastVerifiedAt":"2026-11-12T21:16:25.0464832+00:00","snapshotPublishedAt":"2026-11-12T17:48:11+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-0d57668ba92a2918d0664e89ea91d467f8e6a2bc6330923eb883b74ac42a14ec","complete":true,"records":3125,"lastAttemptAt":"2026-11-12T21:16:34.5377517+00:00","lastSuccessAt":"2026-11-12T15:18:36.6112732+00:00","error":null,"lastVerifiedAt":"2026-11-12T21:16:34.5377517+00:00","snapshotPublishedAt":"2026-11-12T14:48:37+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-aacb2ea0a84f684226fd5e421ed31635112d695f522f1d5914b6afab8cc7f03c","complete":true,"records":231724,"lastAttemptAt":"2026-11-12T21:16:25.1509038+00:00","lastSuccessAt":"2026-11-12T20:18:18.1230476+00:00","error":null,"lastVerifiedAt":"2026-11-12T21:16:25.1509038+00:00","snapshotPublishedAt":"2026-11-12T19:33:03+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}