bcgit/bc-java · Security
Bouncy Castle Crypto Package For Java: Use of a Broken or Risky Cryptographic Algorithm vulnerability in bcpkix modules
- GHSA ID
- GHSA-wg6q-6289-32hp
- CVE ID
- CVE-2026-5588
- Severity
- medium
- Published
- Updated
- CVSS v4
- 6.3 · CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/U:Green
Description
: Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpkix on all (pkix modules).
PKIX draft CompositeVerifier accepts empty signature sequence as valid.
This issue affects BC-JAVA: from 1.49 before 1.84.
CWEs
- CWE-327 · Use of a Broken or Risky Cryptographic Algorithm