Is org.bouncycastle:bcpkix-jdk18on affected by CVE-2026-5588?

Maven org.bouncycastle:bcpkix-jdk18on is affected in >=1.49 <1.84.

Is CVE-2026-5588 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

medium

CVE-2026-5588

Q: Is CVE-2026-5588 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

Maven · org.bouncycastle:bcpkix-jdk18on • Maven · org.bouncycastle:bcpkix-jdk15to18 • Maven · org.bouncycastle:bcpkix-jdk15on • Maven · org.bouncycastle:bcpkix-jdk14 • Maven · org.bouncycastle:bcpkix-debug-jdk18on • Maven · org.bouncycastle:bcpkix-debug-jdk15to18 • Maven · org.bouncycastle:bcpkix-debug-jdk14

Summary

Bouncy Castle Crypto Package For Java: Use of a Broken or Risky Cryptographic Algorithm vulnerability in bcpkix modules

Severity: medium
EPSS: 0.3% (p17)
Also known as: GHSA-wg6q-6289-32hp#org.bouncycastle:bcpkix-debug-jdk14, GHSA-wg6q-6289-32hp#org.bouncycastle:bcpkix-debug-jdk15to18, GHSA-wg6q-6289-32hp#org.bouncycastle:bcpkix-debug-jdk18on, GHSA-wg6q-6289-32hp#org.bouncycastle:bcpkix-jdk14, GHSA-wg6q-6289-32hp#org.bouncycastle:bcpkix-jdk15on, GHSA-wg6q-6289-32hp#org.bouncycastle:bcpkix-jdk15to18, GHSA-wg6q-6289-32hp#org.bouncycastle:bcpkix-jdk18on
Published: 2026-04-15

References

Related advisories

CVE-2025-8916 — medium · Maven/org.bouncycastle:bcpkix-jdk18on
CVE-2023-33202 — medium · Maven/org.bouncycastle:bcpkix-jdk18on

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.