CVE-2026-41520

Published May 8, 2026

Last updated 12 days ago

Overview

Description
Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Prior to versions 1.17.15, 1.18.9, and 1.19.3, the output of cilium-bugtool can contain sensitive data when the tool is run against Cilium deployments with WireGuard encryption enabled. This issue has been patched in versions 1.17.15, 1.18.9, and 1.19.3.
Source
security-advisories@github.com
NVD status
Analyzed
Products
cilium

Risk scores

CVSS 3.1

Type
Primary
Base score
4.4
Impact score
3.6
Exploitability score
0.8
Vector string
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Severity
MEDIUM

Weaknesses

security-advisories@github.com
CWE-200
nvd@nist.gov
CWE-312

Social media

Hype score
Not currently trending

Configurations