GHSA-wg6q-6289-32hp
GHSA-wg6q-6289-32hp is a security vulnerability in org.bouncycastle:bcpkix-jdk18on. O3 Security confirms whether GHSA-wg6q-6289-32hp is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.
Bouncy Castle Crypto Package For Java: Use of a Broken or Risky Cryptographic Algorithm vulnerability in bcpkix modules
EPSS Exploitation Probability
EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.
Blast Radius
org.bouncycastle:bcpkix-jdk18on☕org.bouncycastle:bcpkix-jdk15to18☕org.bouncycastle:bcpkix-jdk15on☕org.bouncycastle:bcpkix-jdk14☕org.bouncycastle:bcpkix-debug-jdk18on☕org.bouncycastle:bcpkix-debug-jdk15to18☕org.bouncycastle:bcpkix-debug-jdk14Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.
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.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| ☕Maven | org.bouncycastle:bcpkix-jdk18on | ≥ 1.49&&< 1.84 | 1.84 |
| ☕Maven | org.bouncycastle:bcpkix-jdk15to18 | ≥ 1.49&&< 1.84 | 1.84 |
| ☕Maven | org.bouncycastle:bcpkix-jdk15on | ≥ 1.49&&< 1.84 | 1.84 |
| ☕Maven | org.bouncycastle:bcpkix-jdk14 | ≥ 1.49&&< 1.84 | 1.84 |
| ☕Maven | org.bouncycastle:bcpkix-debug-jdk18on | ≥ 1.49&&< 1.84 | 1.84 |
| ☕Maven | org.bouncycastle:bcpkix-debug-jdk15to18 | ≥ 1.49&&< 1.84 | 1.84 |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.bouncycastle:bcpkix-jdk18on. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.
Fix
Update org.bouncycastle:bcpkix-jdk18on to 1.84 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-wg6q-6289-32hp is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 pinpoints whether GHSA-wg6q-6289-32hp is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.
Tailored to GHSA-wg6q-6289-32hp. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is GHSA-wg6q-6289-32hp in your dependencies?
O3 detects GHSA-wg6q-6289-32hp across Maven dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.