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CVE-2026-41520

NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-41520

Severity

7.9

High

CVSS V3

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Summary

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

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.

References

Affected packages

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