Bouncy Castle Crypto Package For Java: Use of a Broken or Risky Cryptographic Algorithm vulnerability in bcpkix modules
: 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.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.bouncycastle:bcpkix-debug-jdk14 | >= 1.49, < 1.84 | 1.84 |
| Java / Kotlin (Maven) | org.bouncycastle:bcpkix-debug-jdk15to18 | >= 1.49, < 1.84 | 1.84 |
| Java / Kotlin (Maven) | org.bouncycastle:bcpkix-debug-jdk18on | >= 1.49, < 1.84 | 1.84 |
| Java / Kotlin (Maven) | org.bouncycastle:bcpkix-jdk14 | >= 1.49, < 1.84 | 1.84 |
| Java / Kotlin (Maven) | org.bouncycastle:bcpkix-jdk15on | >= 1.49, < 1.84 | 1.84 |
| Java / Kotlin (Maven) | org.bouncycastle:bcpkix-jdk15to18 | >= 1.49, < 1.84 | 1.84 |
| Java / Kotlin (Maven) | org.bouncycastle:bcpkix-jdk18on | >= 1.49, < 1.84 | 1.84 |
References
- CVSS vector
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- Weakness (CWE)
CWE-327- Platform
- Java / Kotlin (Maven)
- Package
org.bouncycastle:bcpkix-debug-jdk14, org.bouncycastle:bcpkix-debug-jdk15to18, org.bouncycastle:bcpkix-debug-jdk18on- Disclosed
- 15.04.2026
- Updated
- 11.10.2026 13:20
Sources and licenses
OSV / GitHub Advisory Database - GHSA-wg6q-6289-32hp - CC BY 4.0
Vulnerability history: org.bouncycastle:bcpkix-debug-jdk18on
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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