Skip to content
CVE PROGRAM SOURCE RECORD8.7 High

CVE-2026-59639

CMS verifySignatures returns true for SignedData with zero signers

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
bcorg

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).

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Legion of the Bouncy Castle Inc. BC-JAVA

Default version status: unaffected

  • 0 to < 1.85affected
pkg:maven/org.bouncycastle/bcpkix-jdk18on

Legion of the Bouncy Castle Inc. BC-LTS-JAVA

Default version status: unaffected

  • 2.73.0 to < 2.73.12affected
pkg:maven/org.bouncycastle/bcpkix-lts8on

Legion of the Bouncy Castle Inc. BC-FJA

Default version status: unaffected

  • 1.0.0 to < 1.0.12affected
  • 2.0.0 to < 2.0.12affected
  • 2.1.0 to < 2.1.12affected
pkg:maven/org.bouncycastle/bcpkix-fips

References