CVE-2026-59639 - In Bouncy Castle for Java before 1.85, CMS verifySignatures returns true for SignedData with zero signers. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.0.12 (2.0.X series) and 2.1.12 (2.1.X series). - 漏洞详情

漏洞编号：CVE-2026-59639

风险等级：高危

漏洞来源：CVE

CVE 编号：CVE-2026-59639

CNNVD 编号：-

厂商/产品：bouncycastle / bc-java

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

CWE：CWE-347

发布/更新时间：2026-08-03 / 2026-08-28

漏洞描述

In Bouncy Castle for Java before 1.85, CMS verifySignatures returns true for SignedData with zero signers. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.0.12 (2.0.X series) and 2.1.12 (2.1.X series).

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