CVE-2026-26963

[Catálogo de CVE]

A flaw was found in Cilium. When specific network configurations, including Native Routing, WireGuard, and Node Encryption, are enabled, Cilium incorrectly allows network traffic from Pods on other nodes. This can lead to unauthorized access to network communications and potential information disclosure. cilium: Cilium: Information disclosure via incorrect traffic permitting with specific network configurations The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Gravedad

Medium · CVSS 6.1CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Published

Feb 19, 2026, 11:38:36 PM UTC

Source

[NVD] · [CVE record]

EPSS

0.14% · Oct 27, 2026

{
  "package_releases": [],
  "fixed_versions": [],
  "distribution_packages": [
    {
      "name": "github.com/cilium/cilium",
      "ecosystem": "go",
      "fixed_version": "1.18.6",
      "applicability_unknown": true
    },
    {
      "name": "cilium",
      "fixed_version": "",
      "applicability_unknown": true
    },
    {
      "name": "github.com/cilium/cilium",
      "ecosystem": "Go",
      "fixed_version": "1.18.6",
      "applicability_unknown": true
    }
  ]
}