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vuln-cve/data/2026/42xxx/CVE-2026-42349.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-42349",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-04-26T13:26:14.515Z",
"datePublished": "2026-05-11T16:08:27.869Z",
"dateUpdated": "2026-05-14T18:19:38.735Z"
},
"containers": {
"cna": {
"title": "Clerk: Authorization bypass when combining organization, billing, or reverification checks",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-754",
"lang": "en",
"description": "CWE-754: Improper Check for Unusual or Exceptional Conditions",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-863",
"lang": "en",
"description": "CWE-863: Incorrect Authorization",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"baseScore": 7.6,
"baseSeverity": "HIGH",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
"version": "4.0"
}
}
],
"references": [
{
"name": "https://github.com/clerk/javascript/security/advisories/GHSA-w24r-5266-9c3c",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/clerk/javascript/security/advisories/GHSA-w24r-5266-9c3c"
}
],
"affected": [
{
"vendor": "clerk",
"product": "javascript",
"versions": [
{
"version": ">= 5.22.0, < 5.125.10",
"status": "affected"
},
{
"version": ">= 6.0.0, < 6.7.5",
"status": "affected"
}
]
},
{
"vendor": "@clerk",
"product": "shared",
"versions": [
{
"version": ">= 3.0.0, <= 3.47.4",
"status": "affected"
},
{
"version": ">= 4.0.0, <= 4.8.2",
"status": "affected"
}
]
},
{
"vendor": "@clerk",
"product": "backend",
"versions": [
{
"version": ">= 2.0.0, <= 2.33.2",
"status": "affected"
},
{
"version": ">= 3.0.0, <= 3.2.13",
"status": "affected"
}
]
},
{
"vendor": "@clerk",
"product": "nextjs",
"versions": [
{
"version": ">= 6.0.0, <= 6.39.2",
"status": "affected"
},
{
"version": ">= 7.0.0, <= 7.2.3",
"status": "affected"
}
]
},
{
"vendor": "@clerk",
"product": "clerk-react",
"versions": [
{
"version": ">= 5.9.0, <= 5.61.5",
"status": "affected"
}
]
},
{
"vendor": "@clerk",
"product": "react",
"versions": [
{
"version": ">= 6.0.0, <= 6.4.2",
"status": "affected"
}
]
},
{
"vendor": "@clerk",
"product": "vue",
"versions": [
{
"version": ">= 1.0.0, <= 1.17.20",
"status": "affected"
},
{
"version": ">= 2.0.0, <= 2.0.15",
"status": "affected"
}
]
},
{
"vendor": "@clerk",
"product": "astro",
"versions": [
{
"version": ">= 2.0.0, <= 2.17.10",
"status": "affected"
},
{
"version": ">= 3.0.0, <= 3.0.17",
"status": "affected"
}
]
},
{
"vendor": "@clerk",
"product": "nuxt",
"versions": [
{
"version": ">= 1.0.0, <= 1.13.28",
"status": "affected"
},
{
"version": ">= 2.0.0, <= 2.2.4",
"status": "affected"
}
]
},
{
"vendor": "@clerk",
"product": "clerk-expo",
"versions": [
{
"version": ">= 2.2.11, <= 2.19.35",
"status": "affected"
}
]
},
{
"vendor": "@clerk",
"product": "expo",
"versions": [
{
"version": ">= 3.0.0, <= 3.2.1",
"status": "affected"
}
]
},
{
"vendor": "@clerk",
"product": "react-router",
"versions": [
{
"version": ">= 0.0.1, <= 2.4.12",
"status": "affected"
},
{
"version": ">= 3.0.0, <= 3.1.3",
"status": "affected"
}
]
},
{
"vendor": "@clerk",
"product": "tanstack-react-start",
"versions": [
{
"version": ">= 0.0.1, <= 0.29.10",
"status": "affected"
},
{
"version": ">= 1.0.0, <= 1.1.3",
"status": "affected"
}
]
},
{
"vendor": "@clerk",
"product": "chrome-extension",
"versions": [
{
"version": ">= 1.3.5, <= 2.9.14",
"status": "affected"
},
{
"version": ">= 3.0.0, <= 3.1.14",
"status": "affected"
}
]
},
{
"vendor": "@clerk",
"product": "fastify",
"versions": [
{
"version": ">= 1.0.42, <= 2.6.30",
"status": "affected"
},
{
"version": ">= 3.0.0, <= 3.1.15",
"status": "affected"
}
]
},
{
"vendor": "@clerk",
"product": "express",
"versions": [
{
"version": ">= 0.1.0, <= 1.7.78",
"status": "affected"
},
{
"version": ">= 2.0.0, <= 2.1.5",
"status": "affected"
}
]
},
{
"vendor": "@clerk",
"product": "hono",
"versions": [
{
"version": ">= 0.0.2, <= 0.1.15",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-05-11T16:08:27.869Z"
},
"descriptions": [
{
"lang": "en",
"value": "Clerk JavaScript is the official JavaScript repository for Clerk authentication. has(), auth.protect(), and related authorization predicates in @clerk/shared, @clerk/nextjs, @clerk/backend, and other framework SDKs can return true for certain combined authorization checks when the result should be false, allowing a gated action to proceed for a user who does not satisfy the full set of requested conditions. This call shape can be bypassed if certain conditions are met: a has() or auth.protect() call that combines a reverification check with any of role, permission, feature, or plan, or that combines a billing check (feature or plan) with a role or permission check. This vulnerability is fixed in @clerk/clerk-js 5.125.10 and 6.7.5."
}
],
"source": {
"advisory": "GHSA-w24r-5266-9c3c",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"references": [
{
"url": "https://github.com/clerk/javascript/security/advisories/GHSA-w24r-5266-9c3c",
"tags": [
"exploit"
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-05-14T18:18:41.752602Z",
"id": "CVE-2026-42349",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-05-14T18:19:38.735Z"
}
}
]
}
}