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CVE-2026-31838 Istio HTTP debug endpoints on port 15014 to enforce namespace-based authorization, preventing cross-namespace proxy data access.

🗓️ 10 Mar 2026 21:58:53Reported by GoogleType 
osv
 osv
🔗 osv.dev

Istio fixes Envoy header bypass via multi-value headers prior to versions 1.29.1, 1.28.5, 1.27.8.

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10 Apr 2026 05:42Current
5.8Medium risk
Vulners AI Score5.8
CVSS 46.9
EPSS0.00037
0