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

漏洞编号：CVE-2026-59638

风险等级：中危

漏洞来源：CVE

CVE 编号：CVE-2026-59638

CNNVD 编号：-

厂商/产品：bouncycastle / bc-java

影响范围：cpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*

CWE：CWE-297

发布/更新时间：2026-08-03 / 2026-08-28

漏洞描述

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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