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CVE-2026-33726 Cilium L7 proxy may bypass Kubernetes NetworkPolicy for same-node traffic

🗓️ 27 Mar 2026 00:23:21Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 45 Views

Cilium L7 proxy may bypass Kubernetes NetworkPolicy for same-node traffic when Per-Endpoint Routing is enabled; affected versions 1.17.14, 1.18.8, 1.19.2.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-33726
27 Mar 202600:23
–attackerkb
cgr
Chainguard
CVE-2026-33726 vulnerabilities
27 Mar 202607:17
–cgr
cnnvd
CNNVD
Cilium 安全漏洞
27 Mar 202600:00
–cnnvd
cve
CVE
CVE-2026-33726
27 Mar 202600:23
–cve
euvd
EUVD
EUVD-2026-16503
26 Mar 202616:48
–euvd
github
Github Security Blog
Cilium L7 proxy may bypass Kubernetes NetworkPolicy for same-node traffic
26 Mar 202616:48
–github
mend
Mend
CVE-2026-33726
27 Mar 202600:23
–mend
nvd
NVD
CVE-2026-33726
27 Mar 202601:16
–nvd
osv_bit
osv_bit
BIT-CILIUM-2026-33726 Cilium L7 proxy may bypass Kubernetes NetworkPolicy for same-node traffic
6 Apr 202607:45
–osv_bit
osv_bit
osv_bit
BIT-CILIUM-OPERATOR-2026-33726 Cilium L7 proxy may bypass Kubernetes NetworkPolicy for same-node traffic
6 Apr 202607:45
–osv_bit
Rows per page
[
  {
    "vendor": "cilium",
    "product": "cilium",
    "versions": [
      {
        "version": "< 1.17.14",
        "status": "affected"
      },
      {
        "version": ">= 1.18.0, < 1.18.8",
        "status": "affected"
      },
      {
        "version": ">= 1.19.0, < 1.19.2",
        "status": "affected"
      }
    ]
  }
]

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