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High

Security advisory

Type: advisorySources: OSVCVE: CVE-2026-32682

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

CVE-2026-32682

core-osv · Original source

Published 17 Jun 2026, 20:16 UTC

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"
}