Security advisory
When NGINX Gateway Fabric is configured using GRPCRoutes, an authenticated, remote attacker with permission to create or modify GRPCRoute resources can cause the NGINX Gateway Fabric control plane to terminate by sending undisclosed GRPCRoute configurations containing backendRef filters. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-32682
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 21:30 UTC · Revision 1
Source evidence
When NGINX Gateway Fabric is configured using GRPCRoutes, an authenticated, remote attacker with permission to create or modify GRPCRoute resources can cause the NGINX Gateway Fabric control plane to terminate by sending undisclosed GRPCRoute configurations containing backendRef filters. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
osv:CVE-2026-32682
Complete source record
{
"id": "1f56b840f7c690f0a612efcfa45b0f8d344219384e95f51d8e15d077601c7454",
"url": "https://osv.dev/vulnerability/CVE-2026-32682",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2026-32682",
"summary": "When NGINX Gateway Fabric is configured using GRPCRoutes, an authenticated, remote attacker with permission to create or modify GRPCRoute resources can cause the NGINX Gateway Fabric control plane to terminate by sending undisclosed GRPCRoute configurations containing backendRef filters. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.",
"evidence": "osv:CVE-2026-32682",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2026-32682",
"aliases": [
"BIT-nginx-gateway-fabric-2026-32682",
"CVE-2026-32682"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/nginx/nginx-gateway-fabric",
"type": "GIT",
"events": [
{
"introduced": "3a372747333fb1db372af7cf0b18ed7eef7c91f7"
},
{
"last_affected": "532db6a20b2912fe397211eef9f8d564d46a4bdd"
},
{
"introduced": "7dad8b31e3f0c3eadce36fed8c276e83e6583d24"
},
{
"fixed": "66691213cd771fe56b124786ea6701c7fb8e467a"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:f5:nginx_gateway_fabric:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.3.0"
},
{
"last_affected": "1.6.2"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:f5:nginx_gateway_fabric:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.0"
},
{
"fixed": "2.6.4"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-32682.json"
}
}
],
"modified": "2026-10-28T02:30:23.772152627Z",
"provider": "osv",
"references": [
"https://my.f5.com/manage/s/article/K000161786"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2026-32682",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 490282,
"published_at": "2026-06-17T20:16:50.197+00:00"
}