CVE-2026-59639

CVE-2026-59639CVE-2026-59639

Description

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).

Scoring

Last modified2026-08-03
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.