# github.com/cilium/cilium (Go) vulnerabilities Source: https://junglewise.ai/threats/technologies/github-com-cilium-cilium Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/github-com-cilium-cilium.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 41 vulnerabilities in github.com/cilium/cilium (Go): 0 in the last 7 days and 0 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-56743, was published on 15 July 2026. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 0 - All time: 41 (1 critical, 0 exploited in the wild) ## About github.com/cilium/cilium (Go) Cilium is a networking and security solution for Kubernetes using eBPF-based runtime enforcement. ## Latest github.com/cilium/cilium (Go) vulnerabilities - [CVE-2026-56743: Cilium incorrect authorization in Kubernetes NetworkPolicy ipBlock rules](https://junglewise.ai/threats/cve-2026-56743-cilium-incorrect-authorization-in-kubernetes-networkpolicy) (medium, CVSS 5.4, published 15 Jul 2026) - [CVE-2026-56742: Cilium authorization bypass in Gateway API HTTPRoute mirroring](https://junglewise.ai/threats/cve-2026-56742-cilium-authorization-bypass-in-gateway-api-httproute-mirroring) (medium, CVSS 5.9, published 15 Jul 2026) - [CVE-2026-49445: Cilium world-accessible Envoy admin socket on cluster nodes](https://junglewise.ai/threats/cve-2026-49445-cilium-world-accessible-envoy-admin-socket-on-cluster-nodes) (critical, CVSS 9.2, published 15 Jul 2026) - [CVE-2026-53935: Cilium traffic hijacking via CiliumLocalRedirectPolicy addressMatcher](https://junglewise.ai/threats/cve-2026-53935-cilium-traffic-hijacking-via-ciliumlocalredirectpolicy) (medium, CVSS 6.9, published 7 Jul 2026) - [CVE-2026-41520: Cilium sensitive information disclosure in cilium-bugtool](https://junglewise.ai/threats/cve-2026-41520-cilium-sensitive-information-disclosure-in-cilium-bugtool) (high, CVSS 7.9, published 8 May 2026) - [CVE-2026-33726: GO-2026-4856 - Cilium L7 proxy may bypass Kubernetes NetworkPolicy for same-node traffic in github.com/cilium/cilium](https://junglewise.ai/threats/cve-2026-33726-cilium-l7-proxy-may-bypass-kubernetes-networkpolicy-for-same-node) (low, CVSS 3.1, published 26 Mar 2026) - [CVE-2026-26963: Cilium may not enforce host firewall policies when Native Routing, WireGuard and Node Encryption are enabled](https://junglewise.ai/threats/cve-2026-26963-cilium-may-not-enforce-host-firewall-policies-when-native-routing) (low, CVSS 3.1, published 23 Feb 2026) - [CVE-2025-64715: Cilium unrestricted egress traffic via misconfigured AWS toGroups](https://junglewise.ai/threats/cve-2025-64715-cilium-unrestricted-egress-traffic-via-misconfigured-aws-togroups) (medium, CVSS 4, published 29 Nov 2025) - [CVE-2025-32793: In Cilium, packets from terminating endpoints may not be encrypted in Wireguard-enabled clusters](https://junglewise.ai/threats/cve-2025-32793-in-cilium-packets-from-terminating-endpoints-may-not-be-encrypted) (low, CVSS 3.1, published 22 Apr 2025) - [CVE-2025-30162: Cilium East-west traffic not subject to egress policy enforcement for requests via Gateway API load balancers](https://junglewise.ai/threats/cve-2025-30162-cilium-east-west-traffic-not-subject-to-egress-policy-enforcement) (low, CVSS 3.1, published 25 Mar 2025) - [CVE-2025-30163: Cilium incorrect authorization in node-based network policies](https://junglewise.ai/threats/cve-2025-30163-cilium-incorrect-authorization-in-node-based-network-policies) (low, CVSS 3.4, published 24 Mar 2025) - [CVE-2025-23047: GO-2025-3416 - Cilium has an information leakage via insecure default Hubble UI CORS header in github.com/cilium/cilium](https://junglewise.ai/threats/cve-2025-23047-cilium-has-an-information-leakage-via-insecure-default-hubble-ui) (low, CVSS 3.1, published 28 Jan 2025) - [CVE-2025-23028: GO-2025-3415 - DoS in Cilium agent DNS proxy from crafted DNS responses in github.com/cilium/cilium](https://junglewise.ai/threats/cve-2025-23028-dos-in-cilium-agent-dns-proxy-from-crafted-dns-responses) (low, CVSS 3.1, published 28 Jan 2025) - [CVE-2024-52529: Cilium's Layer 7 policy enforcement may not occur in policies with wildcarded port ranges](https://junglewise.ai/threats/cve-2024-52529-cilium-s-layer-7-policy-enforcement-may-not-occur-in-policies) (low, CVSS 3.1, published 27 Nov 2024) - [CVE-2024-47825: Cilium's CIDR deny policies may not take effect when a more narrow CIDR allow is present](https://junglewise.ai/threats/cve-2024-47825-cilium-s-cidr-deny-policies-may-not-take-effect-when-a-more) (low, CVSS 3.1, published 28 Oct 2024) - [GO-2022-0959 - Network Policies & (Clusterwide) Cilium Network Policies with namespace label selectors may…](https://junglewise.ai/threats/go-2022-0959-network-policies-clusterwide-cilium-network-policies-with-be063990) (info, published 21 Aug 2024) - [CVE-2022-29179: GO-2022-0458 - Improper Privilege Management in Cilium in github.com/cilium/cilium](https://junglewise.ai/threats/cve-2022-29179-improper-privilege-management-in-cilium) (low, CVSS 3.1, published 21 Aug 2024) - [CVE-2022-29178: GO-2022-0457 - Access to Unix domain socket can lead to privileges escalation in Cilium in github.com/cilium/cilium](https://junglewise.ai/threats/cve-2022-29178-access-to-unix-domain-socket-can-lead-to-privileges-escalation-in) (low, CVSS 3.1, published 21 Aug 2024) - [GO-2022-0393 - Network policy may be bypassed by some ICMP Echo Requests in github.com/cilium/cilium](https://junglewise.ai/threats/go-2022-0393-network-policy-may-be-bypassed-by-some-icmp-echo-requests-8a108755) (info, published 21 Aug 2024) - [CVE-2023-41333: GO-2023-2080 - Cilium vulnerable to bypass of namespace restrictions in CiliumNetworkPolicy in github.com/cilium/cilium](https://junglewise.ai/threats/cve-2023-41333-cilium-vulnerable-to-bypass-of-namespace-restrictions-in) (low, CVSS 3.1, published 21 Aug 2024) - [CVE-2023-41332: GO-2023-2079 - Specific Cilium configurations vulnerable to DoS via Kubernetes annotations in github.com/cilium/cilium](https://junglewise.ai/threats/cve-2023-41332-specific-cilium-configurations-vulnerable-to-dos-via-kubernetes) (low, CVSS 3.1, published 21 Aug 2024) - [CVE-2023-39347: GO-2023-2078 - Kubernetes users may update Pod labels to bypass network policy in github.com/cilium/cilium](https://junglewise.ai/threats/cve-2023-39347-kubernetes-users-may-update-pod-labels-to-bypass-network-policy) (low, CVSS 3.1, published 21 Aug 2024) - [CVE-2023-34242: GO-2023-1862 - Cilium vulnerable to information leakage via incorrect ReferenceGrant handling in github.com/cilium/cilium](https://junglewise.ai/threats/cve-2023-34242-cilium-vulnerable-to-information-leakage-via-incorrect) (low, CVSS 3.1, published 20 Aug 2024) - [CVE-2023-30851: GO-2023-1785 - Potential HTTP policy bypass when using header rules in Cilium in github.com/cilium/cilium](https://junglewise.ai/threats/cve-2023-30851-potential-http-policy-bypass-when-using-header-rules-in-cilium) (low, CVSS 3.1, published 20 Aug 2024) - [CVE-2023-29002: GO-2023-1730 - Debug mode leaks confidential data in Cilium in github.com/cilium/cilium](https://junglewise.ai/threats/cve-2023-29002-debug-mode-leaks-confidential-data-in-cilium) (low, CVSS 3.1, published 20 Aug 2024) ## Most severe github.com/cilium/cilium (Go) vulnerabilities - [CVE-2026-49445: Cilium world-accessible Envoy admin socket on cluster nodes](https://junglewise.ai/threats/cve-2026-49445-cilium-world-accessible-envoy-admin-socket-on-cluster-nodes) (critical, CVSS 9.2, published 15 Jul 2026) - [CVE-2026-41520: Cilium sensitive information disclosure in cilium-bugtool](https://junglewise.ai/threats/cve-2026-41520-cilium-sensitive-information-disclosure-in-cilium-bugtool) (high, CVSS 7.9, published 8 May 2026) - [CVE-2026-53935: Cilium traffic hijacking via CiliumLocalRedirectPolicy addressMatcher](https://junglewise.ai/threats/cve-2026-53935-cilium-traffic-hijacking-via-ciliumlocalredirectpolicy) (medium, CVSS 6.9, published 7 Jul 2026) - [CVE-2026-56742: Cilium authorization bypass in Gateway API HTTPRoute mirroring](https://junglewise.ai/threats/cve-2026-56742-cilium-authorization-bypass-in-gateway-api-httproute-mirroring) (medium, CVSS 5.9, published 15 Jul 2026) - [CVE-2026-56743: Cilium incorrect authorization in Kubernetes NetworkPolicy ipBlock rules](https://junglewise.ai/threats/cve-2026-56743-cilium-incorrect-authorization-in-kubernetes-networkpolicy) (medium, CVSS 5.4, published 15 Jul 2026) - [CVE-2025-64715: Cilium unrestricted egress traffic via misconfigured AWS toGroups](https://junglewise.ai/threats/cve-2025-64715-cilium-unrestricted-egress-traffic-via-misconfigured-aws-togroups) (medium, CVSS 4, published 29 Nov 2025) - [CVE-2025-30163: Cilium incorrect authorization in node-based network policies](https://junglewise.ai/threats/cve-2025-30163-cilium-incorrect-authorization-in-node-based-network-policies) (low, CVSS 3.4, published 24 Mar 2025) - [CVE-2023-27595: GO-2023-1644 - Cilium eBPF filters may be temporarily removed during agent restart in github.com/cilium/cilium](https://junglewise.ai/threats/cve-2023-27595-cilium-ebpf-filters-may-be-temporarily-removed-during-agent) (low, CVSS 3.1, published 20 Aug 2024) - [CVE-2023-30851: GO-2023-1785 - Potential HTTP policy bypass when using header rules in Cilium in github.com/cilium/cilium](https://junglewise.ai/threats/cve-2023-30851-potential-http-policy-bypass-when-using-header-rules-in-cilium) (low, CVSS 3.1, published 20 Aug 2024) - [CVE-2024-28248: GO-2024-2653 - HTTP policy bypass in github.com/cilium/cilium](https://junglewise.ai/threats/cve-2024-28248-intermittent-http-policy-bypass) (low, CVSS 3.1, published 22 Mar 2024) ## Vulnerabilities per week Nothing was published in the last eight weeks. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other Go technologies - [github.com/mattermost/mattermost-server (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server): 297 vulnerabilities - [github.com/mattermost/mattermost-server/v6 (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v6): 222 vulnerabilities - [github.com/mattermost/mattermost/server/v8 (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v8): 207 vulnerabilities - [github.com/mattermost/mattermost-server/v5 (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v5): 199 vulnerabilities - [stdlib (Go)](https://junglewise.ai/threats/technologies/go-stdlib): 178 vulnerabilities - [github.com/siyuan-note/siyuan/kernel (Go)](https://junglewise.ai/threats/technologies/github-com-siyuan-note-siyuan-kernel): 160 vulnerabilities - [code.gitea.io/gitea (Go)](https://junglewise.ai/threats/technologies/code-gitea-io-gitea): 126 vulnerabilities - [code.vikunja.io/api (Go)](https://junglewise.ai/threats/technologies/code-vikunja-io-api): 91 vulnerabilities - [gogs.io/gogs (Go)](https://junglewise.ai/threats/technologies/gogs-io-gogs): 81 vulnerabilities - [github.com/traefik/traefik/v2 (Go)](https://junglewise.ai/threats/technologies/github-com-traefik-traefik-v2): 78 vulnerabilities - [github.com/traefik/traefik (Go)](https://junglewise.ai/threats/technologies/github-com-traefik-traefik): 75 vulnerabilities - [github.com/usememos/memos (Go)](https://junglewise.ai/threats/technologies/github-com-usememos-memos): 75 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "github.com/cilium/cilium (Go) vulnerabilities", https://junglewise.ai/threats/technologies/github-com-cilium-cilium, 13 November 2026.