CVE-2026-45321 (GCVE-0-2026-45321)
Vulnerability from cvelistv5
Published
2026-05-12 00:12
Modified
2026-08-04 03:56
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-506 - Embedded Malicious Code
Summary
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 — a pull_request_target "Pwn Request" misconfiguration, GitHub Actions cache poisoning across the fork↔base trust boundary, and runtime memory extraction of the OIDC token from the Actions runner process — to publish credential-stealing malware under a trusted identity. Each affected package received exactly two malicious versions, published a few minutes apart.
References
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Impacted products
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| @tanstack | arktype-adapter |
Version: 1.166.12 Version: 1.166.15 |
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CISA Known Exploited Vulnerability
Data from the CISA Known Exploited Vulnerabilities Catalog
Date added: 2026-05-27
Due date: 2026-06-10
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Used in ransomware: Known
Notes: This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: https://github.com/TanStack/router/security/advisories/GHSA-g7cv-rxg3-hmpx ; https://nvd.nist.gov/vuln/detail/CVE-2026-45321
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\"version\": \"1.161.12\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"eslint-plugin-start\", \"versions\": [{\"status\": \"affected\", \"version\": \"0.0.4\"}, {\"status\": \"affected\", \"version\": \"0.0.7\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"history\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.161.9\"}, {\"status\": \"affected\", \"version\": \"1.161.12\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"nitro-v2-vite-plugin\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.154.12\"}, {\"status\": \"affected\", \"version\": \"1.154.15\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"react-router\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.169.5\"}, {\"status\": \"affected\", \"version\": \"1.169.8\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"react-router-devtools\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.166.16\"}, {\"status\": \"affected\", \"version\": \"1.166.19\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"react-router-ssr-query\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.166.15\"}, {\"status\": \"affected\", \"version\": \"1.166.18\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"react-start\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.167.68\"}, {\"status\": \"affected\", \"version\": \"1.167.71\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"react-start-client\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.166.51\"}, {\"status\": \"affected\", \"version\": \"1.166.54\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"react-start-rsc\", \"versions\": [{\"status\": \"affected\", \"version\": \"0.0.47\"}, {\"status\": \"affected\", \"version\": \"0.0.50\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"react-start-server\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.166.55\"}, {\"status\": \"affected\", \"version\": \"1.166.58\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"router-cli\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.166.46\"}, {\"status\": \"affected\", \"version\": \"1.166.49\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"router-core\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.169.5\"}, {\"status\": \"affected\", \"version\": \"1.169.8\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"router-devtools\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.166.16\"}, {\"status\": \"affected\", \"version\": \"1.166.19\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"router-devtools-core\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.167.6\"}, {\"status\": \"affected\", \"version\": \"1.167.9\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"router-generator\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.166.45\"}, {\"status\": \"affected\", \"version\": \"1.166.48\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"router-plugin\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.167.38\"}, {\"status\": \"affected\", \"version\": \"1.167.41\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"router-ssr-query-core\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.168.3\"}, {\"status\": \"affected\", \"version\": \"1.168.6\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"router-utils\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.161.11\"}, {\"status\": \"affected\", \"version\": \"1.161.14\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"outer-vite-plugin\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.166.53\"}, {\"status\": \"affected\", \"version\": \"1.166.56\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"solid-router\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.169.5\"}, {\"status\": \"affected\", \"version\": \"1.169.8\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"solid-router-devtools\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.166.16\"}, {\"status\": \"affected\", \"version\": \"1.166.19\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"solid-router-ssr-query\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.166.15\"}, {\"status\": \"affected\", \"version\": \"1.166.18\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"solid-start\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.167.65\"}, {\"status\": \"affected\", \"version\": \"1.167.68\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"solid-start-client\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.166.50\"}, {\"status\": \"affected\", \"version\": \"1.166.53\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"solid-start-server\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.166.54\"}, {\"status\": \"affected\", \"version\": \"1.166.57\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"start-client-core\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.168.5\"}, {\"status\": \"affected\", \"version\": \"1.168.8\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"start-fn-stubs\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.161.9\"}, {\"status\": \"affected\", \"version\": \"1.161.12\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"start-plugin-core\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.169.23\"}, {\"status\": \"affected\", \"version\": \"1.169.26\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"start-server-core\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.167.33\"}, {\"status\": \"affected\", \"version\": \"1.167.36\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"start-static-server-functions\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.166.44\"}, {\"status\": \"affected\", \"version\": \"1.166.47\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"start-storage-context\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.166.38\"}, {\"status\": \"affected\", \"version\": \"1.166.41\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"valibot-adapter\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.166.12\"}, {\"status\": \"affected\", \"version\": \"1.166.15\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"virtual-file-routes\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.161.10\"}, {\"status\": \"affected\", \"version\": \"1.161.13\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"vue-router\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.169.5\"}, {\"status\": \"affected\", \"version\": \"1.169.8\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"vue-router-devtools\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.166.16\"}, {\"status\": \"affected\", \"version\": \"1.166.19\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"vue-router-ssr-query\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.166.15\"}, {\"status\": \"affected\", \"version\": \"1.166.18\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"vue-start\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.167.61\"}, {\"status\": \"affected\", \"version\": \"1.167.64\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"vue-start-client\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.166.46\"}, {\"status\": \"affected\", \"version\": \"1.166.49\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"vue-start-server\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.166.50\"}, {\"status\": \"affected\", \"version\": \"1.166.53\"}]}, {\"vendor\": \"@tanstack\", \"product\": \"zod-adapter\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.166.12\"}, {\"status\": \"affected\", \"version\": \"1.166.15\"}]}], \"references\": [{\"url\": \"https://github.com/TanStack/router/security/advisories/GHSA-g7cv-rxg3-hmpx\", \"name\": \"https://github.com/TanStack/router/security/advisories/GHSA-g7cv-rxg3-hmpx\", \"tags\": [\"x_refsource_CONFIRM\"]}, {\"url\": \"https://github.com/TanStack/router/issues/7383\", \"name\": \"https://github.com/TanStack/router/issues/7383\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://tanstack.com/blog/npm-supply-chain-compromise-postmortem\", \"name\": \"https://tanstack.com/blog/npm-supply-chain-compromise-postmortem\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://www.stepsecurity.io/blog/mini-shai-hulud-is-back-a-self-spreading-supply-chain-attack-hits-the-npm-ecosystem\", \"name\": \"https://www.stepsecurity.io/blog/mini-shai-hulud-is-back-a-self-spreading-supply-chain-attack-hits-the-npm-ecosystem\", \"tags\": [\"x_refsource_MISC\"]}], \"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.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-506\", \"description\": \"CWE-506: Embedded Malicious Code\"}]}], \"providerMetadata\": {\"orgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"shortName\": \"GitHub_M\", \"dateUpdated\": \"2026-05-12T15:16:17.354Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-45321\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-04T03:56:09.005Z\", \"dateReserved\": \"2026-05-11T20:50:30.539Z\", \"assignerOrgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"datePublished\": \"2026-05-12T00:12:35.452Z\", \"assignerShortName\": \"GitHub_M\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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