Technology · Bouncy Castle
Bouncy Castle for Java vulnerabilities
Updated . Rebuilt every hour.
Junglewise Threat Intelligence has tracked 21 vulnerabilities in Bouncy Castle for Java: 0 in the last 7 days and 10 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-85515, was published on 3 October 2026. Nothing in the last four weeks, down from 10 vulnerabilities in the four before.
- Last 7 days
- 0
- Last 90 days
- 10
- Critical, all time
- 1
- Exploited in the wild
- 0
About Bouncy Castle for Java
Java cryptography library providing implementations of encryption, hashing, and signing algorithms.
Latest Bouncy Castle for Java vulnerabilities
- CVE-2026-85515: Bouncy Castle for Java truncated OpenPGP message acceptanceinfoEPSS 0.2%
- CVE-2026-71891: Bouncy Castle for Java BLS signature phantom signerinfoEPSS 0.2%
- CVE-2026-71890: Bouncy Castle MLS external commit validation bypassinfoEPSS 0.3%
- CVE-2026-71889: Bouncy Castle for Java X.509 name constraints bypass in PKIXCertPathReviewerinfoEPSS 0.2%
- CVE-2026-71887: Bouncy Castle for Java OpenPGP signature misattribution in subkey binding validationinfoEPSS 0.1%
- CVE-2026-71886: Bouncy Castle for Java OpenPGP certification validation bypassinfoEPSS 0.2%
- CVE-2026-71885: Bouncy Castle for Java MLS credential binding validation bypassinfoEPSS 0.2%
- CVE-2026-18040: Bouncy Castle HQC side-channel information leakinfoEPSS 0.1%
- CVE-2026-18036: Bouncy Castle for Java NTRU timing side-channel in modular reductioninfoEPSS 0.3%
- CVE-2026-17507: Bouncy Castle for Java MLS leaf_index signed comparison integer underflowinfoEPSS 0.3%
- CVE-2026-59650: Bouncy Castle MTI/A0 DH agreement unvalidated peer valuecriticalCVSS 9.1EPSS 0.4%
- CVE-2026-59649: Bouncy Castle OpenPGP denial of service via unbounded subpacket lengthhighCVSS 7.5EPSS 0.5%
- CVE-2026-59646: Bouncy Castle DTLS handshake buffer overflowhighCVSS 7.5EPSS 0.6%
- CVE-2026-59645: Bouncy Castle for Java OER parser unbounded recursion in IEEE 1609.2 schemahighCVSS 7.5EPSS 0.5%
- CVE-2026-59644: Bouncy Castle for Java MLS hash-ratchet generation counter validation bypasshighCVSS 7.5EPSS 0.5%
- CVE-2026-59642: Bouncy Castle CMS AuthenticatedData MAC bypass with authAttrshighCVSS 7.5EPSS 0.2%
- CVE-2026-59640: Bouncy Castle OpenPGP CFB oracle vulnerability in symmetric key pathsmediumCVSS 5.3EPSS 0.4%
- CVE-2026-59639: Bouncy Castle for Java CMS signature verification bypasshighCVSS 7.5EPSS 0.2%
- CVE-2026-59638: Bouncy Castle for Java JSSE hostname verifier CN-fallback enabled by defaultmediumCVSS 6.5EPSS 0.4%
- CVE-2026-15055: Bouncy Castle PKCS#8 PBES2 unbounded KDF cost vulnerabilityhighCVSS 8.2EPSS 0.3%
- CVE-2026-12185: Bouncy Castle for Java BKS/UBER keystore memory allocation DoShighCVSS 8.6EPSS 0.3%
Most severe Bouncy Castle for Java vulnerabilities
Exploited in the wild first, then by severity and CVSS score.
- CVE-2026-59650: Bouncy Castle MTI/A0 DH agreement unvalidated peer valuecriticalCVSS 9.1EPSS 0.4%
- CVE-2026-12185: Bouncy Castle for Java BKS/UBER keystore memory allocation DoShighCVSS 8.6EPSS 0.3%
- CVE-2026-15055: Bouncy Castle PKCS#8 PBES2 unbounded KDF cost vulnerabilityhighCVSS 8.2EPSS 0.3%
- CVE-2026-59646: Bouncy Castle DTLS handshake buffer overflowhighCVSS 7.5EPSS 0.6%
- CVE-2026-59649: Bouncy Castle OpenPGP denial of service via unbounded subpacket lengthhighCVSS 7.5EPSS 0.5%
- CVE-2026-59645: Bouncy Castle for Java OER parser unbounded recursion in IEEE 1609.2 schemahighCVSS 7.5EPSS 0.5%
- CVE-2026-59644: Bouncy Castle for Java MLS hash-ratchet generation counter validation bypasshighCVSS 7.5EPSS 0.5%
- CVE-2026-59639: Bouncy Castle for Java CMS signature verification bypasshighCVSS 7.5EPSS 0.2%
- CVE-2026-59642: Bouncy Castle CMS AuthenticatedData MAC bypass with authAttrshighCVSS 7.5EPSS 0.2%
- CVE-2026-59638: Bouncy Castle for Java JSSE hostname verifier CN-fallback enabled by defaultmediumCVSS 6.5EPSS 0.4%
Vulnerabilities per week
Nothing in the last four weeks, down from 10 vulnerabilities in the four before. The last 13 weeks, by the week each vulnerability was published.
| Week of | Bar | Vulns | Critical |
|---|---|---|---|
| 17 Aug 2026 | 0 | 0 | |
| 24 Aug 2026 | 0 | 0 | |
| 31 Aug 2026 | 0 | 0 | |
| 7 Sep 2026 | 0 | 0 | |
| 14 Sep 2026 | 0 | 0 | |
| 21 Sep 2026 | 0 | 0 | |
| 28 Sep 2026 | 10 | 0 | |
| 5 Oct 2026 | 0 | 0 | |
| 12 Oct 2026 | 0 | 0 | |
| 19 Oct 2026 | 0 | 0 | |
| 26 Oct 2026 | 0 | 0 | |
| 2 Nov 2026 | 0 | 0 | |
| 9 Nov 2026 | 0 | 0 |
Embed a badge
A live badge for a README, a status page or an internal wiki: how many Bouncy Castle for Java vulnerabilities were published in the last 7 days and how many of them are critical, refreshed hourly.
[](https://junglewise.ai/threats/technologies/bouncy-castle-for-java)<a href="https://junglewise.ai/threats/technologies/bouncy-castle-for-java"><img src="https://junglewise.ai/threats/technologies/bouncy-castle-for-java/badge.svg" alt="Bouncy Castle for Java vulnerabilities" /></a>How this is built
Junglewise Threat Intelligence collects vulnerabilities from NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories, and matches each one to the technologies and vendors it affects. Dates are the date a vulnerability was published, in UTC.
The pages are rebuilt from the database every hour. Frozen weekly and monthly reports never change once published, so they can be cited.
Use this data
The same data is at https://junglewise.ai/threats/technologies/bouncy-castle-for-java.json, and this page as text at https://junglewise.ai/threats/technologies/bouncy-castle-for-java.md, for scripts and language models. It is free to reuse under CC BY 4.0 with a link back to this page.
Cite as: Junglewise Threat Intelligence, "Bouncy Castle for Java vulnerabilities", https://junglewise.ai/threats/technologies/bouncy-castle-for-java, 9 November 2026.