VULNERABILITY INTELLIGENCE
CVE-2026-26963
CVSS score6.1 MEDIUM
EPSS probability0.14%
CISA KEVNot currently listed
Published2026-02-20
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
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.
Weakness classification
- security-advisories@github.com: CWE-863
Primary references
- security-advisories@github.com — Patch
- security-advisories@github.com — Issue Tracking
- security-advisories@github.com — Release Notes
- security-advisories@github.com — Patch, Vendor Advisory