BIT-CILIUM-2026-41520 Cillium exposes sensitive information included in the cilium-bugtool debug archive

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...

GHSA-GJ49-89WH-H4GJ Cillium exposes sensitive information included in the cilium-bugtool debug archive

Impact The output of cilium-bugtool can contain sensitive data when the tool is run against Cilium deployments with WireGuard encryption enabled. Users of WireGuard Transparent Encryption are affected. The sensitive data is the WireGuard private key ciliumwg0.key used for node-to-node encrypted...