GHSA-H78M-J95M-5356 Cilium has an information leakage via insecure default Hubble UI CORS header

Impact For users who deploy Hubble UI using either Cilium CLI or via the Cilium Helm chart, an insecure default Access-Control-Allow-Origin header value could lead to sensitive data exposure. A user with access to a Hubble UI instance affected by this issue could leak configuration details about...

GHSA-H78M-J95M-5356 vulnerabilities

Vulnerabilities for packages: hubble, hubble-ui...

Cilium has an information leakage via insecure default Hubble UI CORS header

Impact For users who deploy Hubble UI using either Cilium CLI or via the Cilium Helm chart, an insecure default Access-Control-Allow-Origin header value could lead to sensitive data exposure. A user with access to a Hubble UI instance affected by this issue could leak configuration details about...

DoS in Cilium agent DNS proxy from crafted DNS responses

Impact In a Kubernetes cluster where Cilium is configured to proxy DNS traffic, an attacker can crash Cilium agents by sending a crafted DNS response to workloads from outside the cluster. For traffic that is allowed but without using DNS-based policy, the dataplane will continue to pass traffic ...

GHSA-9M5P-C77C-F9J7 DoS in Cilium agent DNS proxy from crafted DNS responses

Impact In a Kubernetes cluster where Cilium is configured to proxy DNS traffic, an attacker can crash Cilium agents by sending a crafted DNS response to workloads from outside the cluster. For traffic that is allowed but without using DNS-based policy, the dataplane will continue to pass traffic ...

CVE-2025-23047 Cilium vulnerable to information leakage via insecure default Hubble UI CORS header

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. An insecure default Access-Control-Allow-Origin header value could lead to sensitive data exposure for users of Cilium versions 1.14.0 through 1.14.7, 1.15.0 through 1.15.11, and 1.16.0 through 1.16.4 who...

CVE-2025-23047 Cilium vulnerable to information leakage via insecure default Hubble UI CORS header

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. An insecure default Access-Control-Allow-Origin header value could lead to sensitive data exposure for users of Cilium versions 1.14.0 through 1.14.7, 1.15.0 through 1.15.11, and 1.16.0 through 1.16.4 who...

CVE-2025-23047

CVE-2025-23047 affects Cilium with Hubble UI when deployed; insecure default Access-Control-Allow-Origin header can expose cluster configuration. Affected: 1.14.0–1.14.7, 1.15.0–1.15.11, 1.16.0–1.16.4. Exploit requires visiting a malicious page; could reveal Kubernetes cluster details (node names...

CVE-2025-23047 Cilium vulnerable to information leakage via insecure default Hubble UI CORS header

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. An insecure default Access-Control-Allow-Origin header value could lead to sensitive data exposure for users of Cilium versions 1.14.0 through 1.14.7, 1.15.0 through 1.15.11, and 1.16.0 through 1.16.4 who...

CVE-2025-23028

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. A denial of service vulnerability affects versions 1.14.0 through 1.14.7, 1.15.0 through 1.15.11, and 1.16.0 through 1.16.4. In a Kubernetes cluster where Cilium is configured to proxy DNS traffic, an...

CVE-2025-23028 DoS in Cilium agent DNS proxy from crafted DNS responses

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. A denial of service vulnerability affects versions 1.14.0 through 1.14.7, 1.15.0 through 1.15.11, and 1.16.0 through 1.16.4. In a Kubernetes cluster where Cilium is configured to proxy DNS traffic, an...

CVE-2025-23028

Cilium DoS (CVE-2025-23028): A crafted DNS response can crash Cilium agents in clusters proxying DNS traffic, affecting versions 1.14.0–1.14.7, 1.15.0–1.15.11, and 1.16.0–1.16.4. Impact varies by DNS policy: traffic allowed without DNS-based policy continues; DNS-policyed connections may be disru...

CVE-2025-23028 DoS in Cilium agent DNS proxy from crafted DNS responses

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. A denial of service vulnerability affects versions 1.14.0 through 1.14.7, 1.15.0 through 1.15.11, and 1.16.0 through 1.16.4. In a Kubernetes cluster where Cilium is configured to proxy DNS traffic, an...

CVE-2025-23028 DoS in Cilium agent DNS proxy from crafted DNS responses

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. A denial of service vulnerability affects versions 1.14.0 through 1.14.7, 1.15.0 through 1.15.11, and 1.16.0 through 1.16.4. In a Kubernetes cluster where Cilium is configured to proxy DNS traffic, an...

Cilium 安全漏洞

Cilium is an open source software from Cilium Open Source. It is used to provide and transparently secure network connectivity and load balancing between application workloads such as application containers or processes. Cilium has a security vulnerability. An attacker exploiting this vulnerabili...

Cilium 信息泄露漏洞

Cilium is an open source software from Cilium Open Source. It is used to provide and transparently secure network connectivity and load balancing between application workloads such as application containers or processes. Cilium suffers from an information disclosure vulnerability. An attacker...

SUSE CVE-2024-52529

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. For users with the following configuration: 1. An allow policy that selects a Layer 3 destination and a port range AND 2. A Layer 7 allow policy that selects a specific port within the first policy's range...

PT-2025-4775 · Cilium +1 · Cilium +1

Name of the Vulnerable Software and Affected Versions: Cilium versions 1.14.0 through 1.14.7 Cilium versions 1.15.0 through 1.15.11 Cilium versions 1.16.0 through 1.16.4 Description: A denial of service vulnerability affects Cilium, a networking, observability, and security solution with an...

GO-2024-3290 Cilium's Layer 7 policy enforcement may not occur in policies with wildcarded port ranges in github.com/cilium/cilium

Cilium's Layer 7 policy enforcement may not occur in policies with wildcarded port ranges in github.com/cilium/cilium...

BIT-HUBBLE-RELAY-2024-52529 Layer 7 policy enforcement may not occur in policies with wildcarded port ranges in Cilium

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. For users with the following configuration: 1. An allow policy that selects a Layer 3 destination and a port range AND 2. A Layer 7 allow policy that selects a specific port within the first policy's range...