CVE Database
/

CVE-2026-26963

Back to search

CVE-2026-26963

Published: Feb 19, 2026

Modified: Feb 20, 2026

PUBLISHED

CVSS v3.1

6.1

MEDIUM

Description

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Versions 1.18.0 through 1.18.5 will incorrectly permit traffic from Pods on other nodes when Native Routing, WireGuard and Node Encryption are enabled. This issue has been fixed in version 1.18.6.

VendorProductVersions

cilium

cilium

affected
>= 1.18.0, < 1.18.6

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Start Training

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.

Scan Now
CVE-2026-26963 | MEDIUM (6.1) - Security Vulnerability | QwikSec