cilium vulnerabilities and fixes

Recent CVEs affecting cilium, with upgrade or downgrade steps. 3 tracked.

cilium has 3 tracked vulnerabilities, 1 critical. A fixed release or vendor patch exists for 3. Most recent: 2026-07-15. Highest priority: CVE-2026-49445 (score 34/100).

• CVE-2026-49445 CRITICAL 9.2 UPGRADE Cilium is a networking, observability, and security solution
• CVE-2026-56742 MEDIUM 5.9 UPGRADE Cilium is a networking, observability, and security solution
• CVE-2026-56743 MEDIUM 5.4 UPGRADE Cilium is a networking, observability, and security solution

FAQ

How do I fix cilium vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is cilium being exploited right now?

None of the tracked cilium CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which cilium CVE should I patch first?

CVE-2026-49445 currently ranks highest (34/100): Cilium is a networking, observability, and security solution.

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