{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45321", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-11T20:50:30.539Z", "datePublished": "2026-05-12T00:12:35.452Z", "dateUpdated": "2026-05-12T00:12:35.452Z"}, "containers": {"cna": {"title": "Malware in 42 @tanstack/* packages exfiltrates cloud credentials, GitHub tokens, and SSH keys", "problemTypes": [{"descriptions": [{"cweId": "CWE-506", "lang": "en", "description": "CWE-506: Embedded Malicious Code", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/TanStack/router/security/advisories/GHSA-g7cv-rxg3-hmpx", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/TanStack/router/security/advisories/GHSA-g7cv-rxg3-hmpx"}, {"name": "https://github.com/TanStack/router/issues/7383", "tags": ["x_refsource_MISC"], "url": "https://github.com/TanStack/router/issues/7383"}], "affected": [{"vendor": "@tanstack", "product": "arktype-adapter", "versions": [{"version": "1.166.12", "status": "affected"}, {"version": "1.166.15", "status": "affected"}]}, {"vendor": "@tanstack", "product": "eslint-plugin-router", "versions": [{"version": "1.161.9", "status": "affected"}, {"version": "1.161.12", "status": "affected"}]}, {"vendor": "@tanstack", "product": "eslint-plugin-start", "versions": [{"version": "0.0.4", "status": "affected"}, {"version": "0.0.7", "status": "affected"}]}, {"vendor": "@tanstack", "product": "history", "versions": [{"version": "1.161.9", "status": "affected"}, {"version": "1.161.12", "status": "affected"}]}, {"vendor": "@tanstack", "product": "nitro-v2-vite-plugin", "versions": [{"version": "1.154.12", "status": "affected"}, {"version": "1.154.15", "status": "affected"}]}, {"vendor": "@tanstack", "product": "react-router", "versions": [{"version": "1.169.5", "status": "affected"}, {"version": "1.169.8", "status": "affected"}]}, {"vendor": "@tanstack", "product": "react-router-devtools", "versions": [{"version": "1.166.16", "status": "affected"}, {"version": "1.166.19", "status": "affected"}]}, {"vendor": "@tanstack", "product": "react-router-ssr-query", "versions": [{"version": "1.166.15", "status": "affected"}, {"version": "1.166.18", "status": "affected"}]}, {"vendor": "@tanstack", "product": "react-start", "versions": [{"version": "1.167.68", "status": "affected"}, {"version": "1.167.71", "status": "affected"}]}, {"vendor": "@tanstack", "product": "react-start-client", "versions": [{"version": "1.166.51", "status": "affected"}, {"version": "1.166.54", "status": "affected"}]}, {"vendor": "@tanstack", "product": "react-start-rsc", "versions": [{"version": "0.0.47", "status": "affected"}, {"version": "0.0.50", "status": "affected"}]}, {"vendor": "@tanstack", "product": "react-start-server", "versions": [{"version": "1.166.55", "status": "affected"}, {"version": "1.166.58", "status": "affected"}]}, {"vendor": "@tanstack", "product": "router-cli", "versions": [{"version": "1.166.46", "status": "affected"}, {"version": "1.166.49", "status": "affected"}]}, {"vendor": "@tanstack", "product": "router-core", "versions": [{"version": "1.169.5", "status": "affected"}, {"version": "1.169.8", "status": "affected"}]}, {"vendor": "@tanstack", "product": "router-devtools", "versions": [{"version": "1.166.16", "status": "affected"}, {"version": "1.166.19", "status": "affected"}]}, {"vendor": "@tanstack", "product": "router-devtools-core", "versions": [{"version": "1.167.6", "status": "affected"}, {"version": "1.167.9", "status": "affected"}]}, {"vendor": "@tanstack", "product": "router-generator", "versions": [{"version": "1.166.45", "status": "affected"}, {"version": "1.166.48", "status": "affected"}]}, {"vendor": "@tanstack", "product": "router-plugin", "versions": [{"version": "1.167.38", "status": "affected"}, {"version": "1.167.41", "status": "affected"}]}, {"vendor": "@tanstack", "product": "router-ssr-query-core", "versions": [{"version": "1.168.3", "status": "affected"}, {"version": "1.168.6", "status": "affected"}]}, {"vendor": "@tanstack", "product": "router-utils", "versions": [{"version": "1.161.11", "status": "affected"}, {"version": "1.161.14", "status": "affected"}]}, {"vendor": "@tanstack", "product": "outer-vite-plugin", "versions": [{"version": "1.166.53", "status": "affected"}, {"version": "1.166.56", "status": "affected"}]}, {"vendor": "@tanstack", "product": "solid-router", "versions": [{"version": "1.169.5", "status": "affected"}, {"version": "1.169.8", "status": "affected"}]}, {"vendor": "@tanstack", "product": "solid-router-devtools", "versions": [{"version": "1.166.16", "status": "affected"}, {"version": "1.166.19", "status": "affected"}]}, {"vendor": "@tanstack", "product": "solid-router-ssr-query", "versions": [{"version": "1.166.15", "status": "affected"}, {"version": "1.166.18", "status": "affected"}]}, {"vendor": "@tanstack", "product": "solid-start", "versions": [{"version": "1.167.65", "status": "affected"}, {"version": "1.167.68", "status": "affected"}]}, {"vendor": "@tanstack", "product": "solid-start-client", "versions": [{"version": "1.166.50", "status": "affected"}, {"version": "1.166.53", "status": "affected"}]}, {"vendor": "@tanstack", "product": "solid-start-server", "versions": [{"version": "1.166.54", "status": "affected"}, {"version": "1.166.57", "status": "affected"}]}, {"vendor": "@tanstack", "product": "start-client-core", "versions": [{"version": "1.168.5", "status": "affected"}, {"version": "1.168.8", "status": "affected"}]}, {"vendor": "@tanstack", "product": "start-fn-stubs", "versions": [{"version": "1.161.9", "status": "affected"}, {"version": "1.161.12", "status": "affected"}]}, {"vendor": "@tanstack", "product": "start-plugin-core", "versions": [{"version": "1.169.23", "status": "affected"}, {"version": "1.169.26", "status": "affected"}]}, {"vendor": "@tanstack", "product": "start-server-core", "versions": [{"version": "1.167.33", "status": "affected"}, {"version": "1.167.36", "status": "affected"}]}, {"vendor": "@tanstack", "product": "start-static-server-functions", "versions": [{"version": "1.166.44", "status": "affected"}, {"version": "1.166.47", "status": "affected"}]}, {"vendor": "@tanstack", "product": "start-storage-context", "versions": [{"version": "1.166.38", "status": "affected"}, {"version": "1.166.41", "status": "affected"}]}, {"vendor": "@tanstack", "product": "valibot-adapter", "versions": [{"version": "1.166.12", "status": "affected"}, {"version": "1.166.15", "status": "affected"}]}, {"vendor": "@tanstack", "product": "virtual-file-routes", "versions": [{"version": "1.161.10", "status": "affected"}, {"version": "1.161.13", "status": "affected"}]}, {"vendor": "@tanstack", "product": "vue-router", "versions": [{"version": "1.169.5", "status": "affected"}, {"version": "1.169.8", "status": "affected"}]}, {"vendor": "@tanstack", "product": "vue-router-devtools", "versions": [{"version": "1.166.16", "status": "affected"}, {"version": "1.166.19", "status": "affected"}]}, {"vendor": "@tanstack", "product": "vue-router-ssr-query", "versions": [{"version": "1.166.15", "status": "affected"}, {"version": "1.166.18", "status": "affected"}]}, {"vendor": "@tanstack", "product": "vue-start", "versions": [{"version": "1.167.61", "status": "affected"}, {"version": "1.167.64", "status": "affected"}]}, {"vendor": "@tanstack", "product": "vue-start-client", "versions": [{"version": "1.166.46", "status": "affected"}, {"version": "1.166.49", "status": "affected"}]}, {"vendor": "@tanstack", "product": "vue-start-server", "versions": [{"version": "1.166.50", "status": "affected"}, {"version": "1.166.53", "status": "affected"}]}, {"vendor": "@tanstack", "product": "zod-adapter", "versions": [{"version": "1.166.12", "status": "affected"}, {"version": "1.166.15", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-05-12T00:12:35.452Z"}, "descriptions": [{"lang": "en", "value": "On 2026-05-11, between approximately 19:20 and 19:26 UTC, 84 malicious versions across 42 @tanstack/* packages were published to the npm registry. The publishes were authenticated via the legitimate GitHub Actions OIDC trusted-publisher binding for TanStack/router, but the publish workflow itself was not modified. The attacker chained three known vulnerability classes \u2014 a pull_request_target \"Pwn Request\" misconfiguration, GitHub Actions cache poisoning across the fork\u2194base trust boundary, and runtime memory extraction of the OIDC token from the Actions runner process \u2014 to publish credential-stealing malware under a trusted identity. Each affected package received exactly two malicious versions, published a few minutes apart."}], "source": {"advisory": "GHSA-g7cv-rxg3-hmpx", "discovery": "UNKNOWN"}}}}
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