# Bouncy Castle for Java FIPS vulnerabilities

Source: https://junglewise.ai/threats/technologies/bouncy-castle-for-java-fips  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/bouncy-castle-for-java-fips.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 4 vulnerabilities in Bouncy Castle for Java FIPS: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-59642, was published on 3 August 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 4 (0 critical, 0 exploited in the wild)

## About Bouncy Castle for Java FIPS

FIPS-validated Java cryptography library for cryptographic operations.

## Latest Bouncy Castle for Java FIPS vulnerabilities

- [CVE-2026-59642: Bouncy Castle CMS AuthenticatedData MAC bypass with authAttrs](https://junglewise.ai/threats/cve-2026-59642-bouncy-castle-cms-authenticateddata-mac-bypass-with-authattrs) (high, CVSS 7.5, published 3 Aug 2026)
- [CVE-2026-59640: Bouncy Castle OpenPGP CFB oracle vulnerability in symmetric key paths](https://junglewise.ai/threats/cve-2026-59640-bouncy-castle-openpgp-cfb-oracle-vulnerability-in-symmetric-key) (medium, CVSS 5.3, published 3 Aug 2026)
- [CVE-2026-59639: Bouncy Castle for Java CMS signature verification bypass](https://junglewise.ai/threats/cve-2026-59639-bouncy-castle-for-java-cms-signature-verification-bypass) (high, CVSS 7.5, published 3 Aug 2026)
- [CVE-2026-15055: Bouncy Castle PKCS#8 PBES2 unbounded KDF cost vulnerability](https://junglewise.ai/threats/cve-2026-15055-bouncy-castle-pkcs-8-pbes2-unbounded-kdf-cost-vulnerability) (high, CVSS 8.2, published 3 Aug 2026)

## Most severe Bouncy Castle for Java FIPS vulnerabilities

- [CVE-2026-15055: Bouncy Castle PKCS#8 PBES2 unbounded KDF cost vulnerability](https://junglewise.ai/threats/cve-2026-15055-bouncy-castle-pkcs-8-pbes2-unbounded-kdf-cost-vulnerability) (high, CVSS 8.2, published 3 Aug 2026)
- [CVE-2026-59639: Bouncy Castle for Java CMS signature verification bypass](https://junglewise.ai/threats/cve-2026-59639-bouncy-castle-for-java-cms-signature-verification-bypass) (high, CVSS 7.5, published 3 Aug 2026)
- [CVE-2026-59642: Bouncy Castle CMS AuthenticatedData MAC bypass with authAttrs](https://junglewise.ai/threats/cve-2026-59642-bouncy-castle-cms-authenticateddata-mac-bypass-with-authattrs) (high, CVSS 7.5, published 3 Aug 2026)
- [CVE-2026-59640: Bouncy Castle OpenPGP CFB oracle vulnerability in symmetric key paths](https://junglewise.ai/threats/cve-2026-59640-bouncy-castle-openpgp-cfb-oracle-vulnerability-in-symmetric-key) (medium, CVSS 5.3, published 3 Aug 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Bouncy Castle technologies

- [Bouncy Castle for Java](https://junglewise.ai/threats/technologies/bouncy-castle-for-java): 21 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Bouncy Castle for Java FIPS vulnerabilities", https://junglewise.ai/threats/technologies/bouncy-castle-for-java-fips, 9 November 2026.