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vuln-cve/data/2026/33xxx/CVE-2026-33011.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-33011",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-03-17T17:22:14.664Z",
"datePublished": "2026-03-20T04:37:15.044Z",
"dateUpdated": "2026-03-20T15:48:23.564Z"
},
"containers": {
"cna": {
"title": "Nest Fastify HEAD Request Middleware Bypass",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-670",
"lang": "en",
"description": "CWE-670: Always-Incorrect Control Flow Implementation",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "HIGH",
"vulnAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"baseScore": 8.7,
"baseSeverity": "HIGH",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N",
"version": "4.0"
}
}
],
"references": [
{
"name": "https://github.com/nestjs/nest/security/advisories/GHSA-wf42-42fg-fg84",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/nestjs/nest/security/advisories/GHSA-wf42-42fg-fg84"
},
{
"name": "https://github.com/nestjs/nest/commit/cbdf737cd6e7cefa52d05ecea2ae4af95c464614",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/nestjs/nest/commit/cbdf737cd6e7cefa52d05ecea2ae4af95c464614"
},
{
"name": "https://github.com/nestjs/nest/releases/tag/v11.1.17",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/nestjs/nest/releases/tag/v11.1.17"
}
],
"affected": [
{
"vendor": "nestjs",
"product": "nest",
"versions": [
{
"version": "< 11.1.16",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-03-20T04:37:15.044Z"
},
"descriptions": [
{
"lang": "en",
"value": "Nest is a framework for building scalable Node.js server-side applications. In versions 11.1.15 and below, a NestJS application using @nestjs/platform-fastify GET middleware can be bypassed because Fastify automatically redirects HEAD requests to the corresponding GET handlers (if they exist). As a result: middleware will be completely skipped, the HTTP response won't include a body (since the response is truncated when redirecting a HEAD request to a GET handler), and the actual handler will still be executed. This issue is fixed in version 11.1.16."
}
],
"source": {
"advisory": "GHSA-wf42-42fg-fg84",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-03-20T15:48:14.460494Z",
"id": "CVE-2026-33011",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"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": "2026-03-20T15:48:23.564Z"
}
}
]
}
}