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CVE-2026-78427 Admission Control Bypass via Hardcoded Sidecar Image Exemption

🗓️ 17 Sep 2026 09:33:26Reported by suseType 
cvelist
 cvelist
🔗 www.cve.org👁 10 Views

The NeuVector admission webhook silently excludes containers from policy evaluation when their image path matches one of three hardcoded service mesh sidecar images. Since the image path is entirely controlled by the workload author, any user capa...

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Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-78427
17 Sep 202609:33
cve
euvd
EUVD
EUVD-2026-81416
17 Sep 202609:33
euvd
nvd
NVD
CVE-2026-78427
17 Sep 202610:17
nvd
[
  {
    "vendor": "go",
    "product": "github.com/neuvector/neuvector",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThanOrEqual": "v5.6.1",
        "changes": [
          {
            "at": "5.6.2",
            "status": "unaffected"
          },
          {
            "at": "5.5.4",
            "status": "unaffected"
          },
          {
            "at": "5.4.11",
            "status": "unaffected"
          }
        ],
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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17 Sep 2026 09:33Current
CVSS 3.14.3
10