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CVE PROGRAM SOURCE RECORD7.9 High

CVE-2026-41520

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

cilium cilium

  • < 1.17.15affected
  • >= 1.18.0, < 1.18.9affected
  • >= 1.19.0, < 1.19.3affected

References