{"uuid": "646904ac-0f74-4e7b-bea3-53df73dc0315", "vulnerability": {"vulnId": "CVE-2026-45321", "altId": []}, "gcve": {"origin_uuid": "caeb2787-0d58-4236-9039-7c86c3e566f3", "gna": 1, "object_uuid": "646904ac-0f74-4e7b-bea3-53df73dc0315"}, "status": {"exploited": true, "status_reason": "confirmed", "status_updated_at": "2026-05-27T18:00:02+00:00"}, "characteristics": {}, "timestamps": {"asserted_at": "2026-05-27T18:00:02Z", "recorded_at": "2026-06-19T12:44:49Z", "first_seen_at": "2026-05-27T18:00:02Z"}, "scope": {"notes": "KEVIntel entry: Malware in 42 @tanstack/* packages exfiltrates cloud credentials, GitHub tokens, and SSH keys | Affected: @tanstack / arktype-adapter, eslint-plugin-router, eslint-plugin-start, history, nitro-v2-vite-plugin, react-router, react-router-devtools, react-router-ssr-query, react-start, react-start-client, react-start-rsc, react-start-server, router-cli, router-core, router-devtools, router-devtools-core, router-generator, router-plugin, router-ssr-query-core, router-utils, outer-vite-plugin, solid-router, solid-router-devtools, solid-router-ssr-query, solid-start, solid-start-client, solid-start-server, start-client-core, start-fn-stubs, start-plugin-core, start-server-core, start-static-server-functions, start-storage-context, valibot-adapter, virtual-file-routes, vue-router, vue-router-devtools, vue-router-ssr-query, vue-start, vue-start-client, vue-start-server, zod-adapter | CVSS: 9.6 (CRITICAL) | EPSS: 0.01601 | Used in malware: yes | Not yet in CISA KEV: False"}, "evidence": [{"type": "public_report", "source": "kevintel", "signal": "confirmed_compromise", "confidence": 0.7, "details": {"feed": "KEVIntel (kevintel.com)", "title": "Malware in 42 @tanstack/* packages exfiltrates cloud credentials, GitHub tokens, and SSH keys", "vendor": "@tanstack", "product": "arktype-adapter, eslint-plugin-router, eslint-plugin-start, history, nitro-v2-vite-plugin, react-router, react-router-devtools, react-router-ssr-query, react-start, react-start-client, react-start-rsc, react-start-server, router-cli, router-core, router-devtools, router-devtools-core, router-generator, router-plugin, router-ssr-query-core, router-utils, outer-vite-plugin, solid-router, solid-router-devtools, solid-router-ssr-query, solid-start, solid-start-client, solid-start-server, start-client-core, start-fn-stubs, start-plugin-core, start-server-core, start-static-server-functions, start-storage-context, valibot-adapter, virtual-file-routes, vue-router, vue-router-devtools, vue-router-ssr-query, vue-start, vue-start-client, vue-start-server, zod-adapter", "added_date": "2026-05-27T18:00:02.338Z", "cvss_score": 9.6, "epss_score": 0.01601, "cvss_severity": "CRITICAL", "epss_percentile": 0.72648, "used_in_malware": "yes", "ahead_of_cisa_kev": {"unit": "day", "count": 6}, "not_yet_in_cisa_kev": false}}], "references": [{"id": "CVE-2026-45321", "url": "https://www.cve.org/CVERecord?id=CVE-2026-45321"}, {"id": "kevintel", "url": "https://kevintel.com/vuln/CVE-2026-45321"}]}