Security Advisory

CVE-2026-59638

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-03 00:57:31

Last updated 2026-08-03 13:23:06

Assigner bcorg

CVSS score not scored

State PUBLISHED

Description

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 bctls-fips 1.0.24 (1.0.X series), 2.0.24 (2.0.X series) and 2.1.24 (2.1.X series).

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