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CVE-2026-55723 NGINX Ingress Controller vulnerability

🗓️ 15 Jul 2026 14:33:44Reported by f5Type 
cvelist
 cvelist
🔗 www.cve.org👁 65 Views

CVE-2026-55723: Authenticated CRD or Ingress annotation writers can inject NGINX directives.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-55723
15 Jul 202614:33
–attackerkb
bdu_fstec
BDU FSTEC
NGINX Ingress Controller Arbitrary Configuration Injection DoS
10 Aug 202600:00
–bdu_fstec
broadcom
Broadcom
Brocade SANnav Vulnerability Disclosures
15 Oct 202400:00
–broadcom
broadcom
Broadcom
Nginx Out-of-band Security Notification (July 15, 2026)
22 Sep 202600:00
–broadcom
circl
Circl
CVE-2026-55723
15 Jul 202616:56
–circl
cve
CVE
CVE-2026-55723
15 Jul 202614:33
–cve
euvd
EUVD
EUVD-2026-44680
15 Jul 202614:33
–euvd
f5
F5 Networks
K000161800: NGINX Ingress Controller vulnerability CVE-2026-55723
15 Jul 202613:41
–f5
f5
F5 Networks
K000161837: Out-of-band Security Notification (July 15, 2026)
15 Jul 202613:46
–f5
mend
Mend
CVE-2026-55723
15 Jul 202614:33
–mend
Rows per page
[
  {
    "defaultStatus": "unknown",
    "modules": [
      "Custom Resource Definitions",
      "Ingress Annotations"
    ],
    "product": "NGINX Ingress Controller",
    "vendor": "F5",
    "versions": [
      {
        "lessThan": "5.5.2",
        "status": "affected",
        "version": "5.0.0",
        "versionType": "custom"
      },
      {
        "lessThan": "2026-lts-r3",
        "status": "affected",
        "version": "2026-lts-r1",
        "versionType": "custom"
      }
    ]
  }
]

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