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vuln-cve/data/2026/73xxx/CVE-2026-73419.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-73419",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-08-12T14:32:11.795Z",
"datePublished": "2026-08-12T20:23:39.174Z",
"dateUpdated": "2026-08-13T15:32:15.689Z"
},
"containers": {
"cna": {
"title": "NextAuth.js: OAuth state, nonce, and PKCE check cookies are not bound to the provider that created them",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-345",
"lang": "en",
"description": "CWE-345: Insufficient Verification of Data Authenticity",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-346",
"lang": "en",
"description": "CWE-346: Origin Validation Error",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-940",
"lang": "en",
"description": "CWE-940: Improper Verification of Source of a Communication Channel",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/nextauthjs/next-auth/security/advisories/GHSA-x445-f3h2-j279",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/nextauthjs/next-auth/security/advisories/GHSA-x445-f3h2-j279"
},
{
"name": "https://github.com/nextauthjs/next-auth/pull/13469",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/nextauthjs/next-auth/pull/13469"
},
{
"name": "https://github.com/nextauthjs/next-auth/commit/5bca2399a79ba8d116ca5179b4b1ebcd152e7f05",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/nextauthjs/next-auth/commit/5bca2399a79ba8d116ca5179b4b1ebcd152e7f05"
},
{
"name": "https://github.com/nextauthjs/next-auth/commit/9f7a97fade9b1319bb9ac19fc9828d62e0a2a852",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/nextauthjs/next-auth/commit/9f7a97fade9b1319bb9ac19fc9828d62e0a2a852"
},
{
"name": "https://github.com/nextauthjs/next-auth/releases/tag/@auth/core@0.41.3",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/nextauthjs/next-auth/releases/tag/@auth/core@0.41.3"
},
{
"name": "https://github.com/nextauthjs/next-auth/releases/tag/next-auth@4.24.15",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/nextauthjs/next-auth/releases/tag/next-auth@4.24.15"
},
{
"name": "https://github.com/nextauthjs/next-auth/releases/tag/next-auth@5.0.0-beta.32",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/nextauthjs/next-auth/releases/tag/next-auth@5.0.0-beta.32"
}
],
"affected": [
{
"vendor": "nextauthjs",
"product": "next-auth",
"versions": [
{
"version": "< 4.24.15",
"status": "affected"
},
{
"version": ">= 5.0.0-beta.4, < 5.0.0-beta.32",
"status": "affected"
}
]
},
{
"vendor": "@auth",
"product": "core",
"versions": [
{
"version": "< 0.41.3",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-08-12T20:23:39.174Z"
},
"descriptions": [
{
"lang": "en",
"value": "NextAuth.js provides authentication for Next.js. Prior to@auth/core 0.41.3 and next-auth 4.24.15 and 5.0.0-beta.32, Auth.js stores the OAuth/OIDC anti-CSRF checks state, nonce, and the PKCE verifier in global cookies that are not bound to the provider that created them. On callback, a check value minted during a sign-in started with one provider can satisfy the callback for a different provider because the stored cookie is not verified against the callback provider's identity, including the provider ID, issuer, client ID, or redirect URI. In a multi-provider application that permits account linking while logged in, when one provider's authorization request is observable and a target provider callback can be satisfied without a PKCE verifier, an attacker can lure a victim into starting a legitimate same-origin flow and link the attacker's target-provider account to the victim's Auth.js user. The linked provider grants the attacker persistent sign-in to the victim's account, while cross-site request forgery alone is insufficient. This issue is fixed in @auth/core 0.41.3 and next-auth 4.24.15 and 5.0.0-beta.32."
}
],
"source": {
"advisory": "GHSA-x445-f3h2-j279",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-08-13T15:32:05.776262Z",
"id": "CVE-2026-73419",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-08-13T15:32:15.689Z"
}
}
]
}
}