CVEvulnerability
CVE-2026-41520
4.4 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-05-08
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.9 HIGH — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
- CVSS 3.1 ([email protected])
- 4.4 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-200, CWE-312
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 configurations
• cilium cilium (< 1.17.15)
• cilium cilium (>= 1.18.0 < 1.18.9)
• cilium cilium (>= 1.19.0 < 1.19.3)
Related
References
- https://github.com/cilium/cilium/releases/tag/v1.17.15 Product, Release Notes
- https://github.com/cilium/cilium/releases/tag/v1.18.9 Product, Release Notes
- https://github.com/cilium/cilium/releases/tag/v1.19.3 Product, Release Notes
- https://github.com/cilium/cilium/security/advisories/GHSA-gj49-89wh-h4gj Mitigation, Vendor Advisory