Vulnerability in Legion Of The Bouncy Castle Inc. Bc-fja

CVE-2026-59638

In Bouncy Castle for Java before 1.85, JSSE hostname verifier CN-fallback enabled by default despite documented opt-in. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bctl…

Affected products

Weakness classification (CWE)

References