CVE-2026-59639

Слабость

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).

Затронутые продукты

• bouncycastle bc-java
• bouncycastle bcpkix-fips
• bouncycastle bouncy_castle_for_java_lts

Источники

• https://github.com/bcgit/bc-java/commit/99ddc6dcc6782e6a76b0dd587c77e62eb7096ad0
• https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059639