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Cilium

7 CVEs product

Monthly

CVE-2026-26963 Go MEDIUM PATCH This Month

Cilium versions 1.18.0-1.18.5 with Native Routing, WireGuard, and Node Encryption enabled incorrectly allow cross-node Pod traffic that should be blocked, enabling unauthorized network access between isolated workloads. An attacker with network access to pods on different nodes can bypass network segmentation policies to access restricted services. The vulnerability affects deployments using these specific Cilium configurations and is resolved in version 1.18.6.

Wireguard Cilium Red Hat Suse
NVD GitHub
CVSS 3.1
6.1
EPSS
0.0%
CVE-2025-64715 Go MEDIUM PATCH This Month

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Rated medium severity (CVSS 4.0), this vulnerability is no authentication required, low attack complexity.

Authentication Bypass Cilium Suse
NVD GitHub
CVSS 3.1
4.0
EPSS
0.0%
CVE-2025-32793 Go MEDIUM PATCH This Month

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable, no authentication required.

Information Disclosure Cilium Suse
NVD GitHub
CVSS 3.1
4.0
EPSS
0.0%
CVE-2025-30163 Go LOW PATCH Monitor

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Rated low severity (CVSS 3.4), this vulnerability is no authentication required. This Incorrect Authorization vulnerability could allow attackers to bypass authorization checks to access restricted resources.

Authentication Bypass Cilium
NVD GitHub
CVSS 3.1
3.4
EPSS
0.0%
CVE-2025-30162 Go LOW PATCH Monitor

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Rated low severity (CVSS 3.2), this vulnerability is no authentication required. This Incorrect Authorization vulnerability could allow attackers to bypass authorization checks to access restricted resources.

Authentication Bypass Cilium
NVD GitHub
CVSS 3.1
3.2
EPSS
0.0%
CVE-2025-23047 Go MEDIUM PATCH This Month

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.

Information Disclosure Kubernetes Cilium Suse
NVD GitHub
CVSS 3.1
6.5
EPSS
0.0%
CVE-2025-23028 Go MEDIUM PATCH This Month

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Allocation of Resources Without Limits vulnerability could allow attackers to exhaust system resources through uncontrolled allocation.

Kubernetes Denial Of Service Cilium Suse
NVD GitHub
CVSS 3.1
5.3
EPSS
0.1%
EPSS 0% CVSS 6.1
MEDIUM PATCH This Month

Cilium versions 1.18.0-1.18.5 with Native Routing, WireGuard, and Node Encryption enabled incorrectly allow cross-node Pod traffic that should be blocked, enabling unauthorized network access between isolated workloads. An attacker with network access to pods on different nodes can bypass network segmentation policies to access restricted services. The vulnerability affects deployments using these specific Cilium configurations and is resolved in version 1.18.6.

Wireguard Cilium Red Hat +1
NVD GitHub
EPSS 0% CVSS 4.0
MEDIUM PATCH This Month

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Rated medium severity (CVSS 4.0), this vulnerability is no authentication required, low attack complexity.

Authentication Bypass Cilium Suse
NVD GitHub
EPSS 0% CVSS 4.0
MEDIUM PATCH This Month

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable, no authentication required.

Information Disclosure Cilium Suse
NVD GitHub
EPSS 0% CVSS 3.4
LOW PATCH Monitor

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Rated low severity (CVSS 3.4), this vulnerability is no authentication required. This Incorrect Authorization vulnerability could allow attackers to bypass authorization checks to access restricted resources.

Authentication Bypass Cilium
NVD GitHub
EPSS 0% CVSS 3.2
LOW PATCH Monitor

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Rated low severity (CVSS 3.2), this vulnerability is no authentication required. This Incorrect Authorization vulnerability could allow attackers to bypass authorization checks to access restricted resources.

Authentication Bypass Cilium
NVD GitHub
EPSS 0% CVSS 6.5
MEDIUM PATCH This Month

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.

Information Disclosure Kubernetes Cilium +1
NVD GitHub
EPSS 0% CVSS 5.3
MEDIUM PATCH This Month

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Allocation of Resources Without Limits vulnerability could allow attackers to exhaust system resources through uncontrolled allocation.

Kubernetes Denial Of Service Cilium +1
NVD GitHub

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