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CVE-2026-59638 JSSE hostname verifier CN-fallback enabled by default despite documented opt-in

🗓️ 03 Aug 2026 00:57:31Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

CN fallback hostname verification is enabled by default in Bouncy Castle Java before 1.85 and BC FIPS before 2.1.24.

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03 Aug 2026 11:45Current
5.4Medium risk
Vulners AI Score5.4
CVSS 49.3
3