{"action":"Upgrade github.com/cilium/cilium to 1.19.5 or later.","affected":[{"fixed":"1.19.5","introduced":"1.19.0"}],"component":"github.com/cilium/cilium","cve_ids":["CVE-2026-56743"],"ecosystem":"Go","epss":0.00248,"exploited":false,"fixed_versions":["1.19.5"],"ghsa_id":"GHSA-fm8w-2m5w-9j7r","id":"tcs_01M5KGTEQNTX4CY93YRFC5QKS1","modified_at":"2026-09-10T15:25:32.738592014Z","published_at":"2026-09-10T14:48:42Z","references":["https://osv.dev/vulnerability/GO-2026-6367","https://github.com/cilium/cilium/security/advisories/GHSA-fm8w-2m5w-9j7r","https://nvd.nist.gov/vuln/detail/CVE-2026-56743","https://github.com/cilium/cilium/commit/1c84ae3b58a7cd54f7ee355e6c524c82f620eae8","https://github.com/cilium/cilium/commit/bacea640404c0805c23515353dc1681c5bf35171","https://github.com/cilium/cilium/pull/46305","https://github.com/cilium/cilium/pull/46456","https://github.com/cilium/cilium/releases/tag/v1.19.5"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"GO-2026-6367","url":"https://osv.dev/vulnerability/GO-2026-6367"},{"source":"nvd","source_id":"CVE-2026-56743","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56743"}],"summary":"Cilium may unexpectedly allow ingress traffic from the local namespace when a Kubernetes NetworkPolicy is configured with an ipBlock match in github.com/cilium/cilium"}