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CVE-2026-41520highCWE-200CWE-312

Cillium exposes sensitive information included in the cilium-bugtool debug archive

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.9epss 0.1%
exploitation probability
0.1%top 100% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
Affected products
cilium · cilium