CVE-2026-41520GO-2026-5400BIT-CILIUM-2026-41520BIT-CILIUM-OPERATOR-2026-41520BIT-HUBBLE-RELAY-2026-41520GHSA-GJ49-89WH-H4GJ
Cillium exposes sensitive information included in the cilium-bugtool debug archive
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 1.17.15, 1.18.9, 1.19.3
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: total
Summary
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.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: total
- Record last updated
Affected versions
- cilium cilium
fixed in 1.17.15; From 1.18.0 · fixed in 1.18.9; From 1.19.0 · fixed in 1.19.3
- github.com/cilium/ciliumGo
fixed in 1.17.15; From 1.18.0 · fixed in 1.18.9; From 1.19.0 · fixed in 1.19.3
- github.com/cilium/ciliumGo
fixed in 1.17.15
- github.com/cilium/ciliumGo
From 1.18.0 · fixed in 1.18.9
- github.com/cilium/ciliumGo
From 1.19.0 · fixed in 1.19.3