PT-2026-67232

Name of the Vulnerable Software and Affected Versions Bouncy Castle for Java versions prior to 1.85 Bouncy Castle for Java LTS versions prior to 2.73.12 Bouncy Castle for Java FIPS BC-FJA bcpkix-fips versions prior to 1.0.12 Bouncy Castle for Java FIPS BC-FJA bcpkix-fips versions prior to 2.0.12...

CVE-2026-59639: Improper Verification of Cryptographic Signature

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...