SEPTEMBER 19, 2026
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Case File

CVE-2026-59647

MEDIUM · CVSS 5.3 EPSS 0.27% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-03 · Last synced 2026-09-02

CyberRota Analysis

AI-Generated

Bouncy Castle for Java versions prior to 1.85, as well as specific LTS and FIPS releases, are vulnerable due to the CRMF/CMP password-MAC feature allowing unbounded iteration counts. This flaw could potentially lead to brute-force attacks, compromising the security of cryptographic operations. Organizations utilizing affected versions for secure communications or cryptographic functions should prioritize updating to mitigate potential risks.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-59647
Severity
MEDIUM
CVSS
5.3
EPSS
0.27%
Java

Original NVD Description

In Bouncy Castle for Java before 1.85, CRMF/CMP password-MAC honours unbounded iteration count. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.0.12 (2.0.X series) and 2.1.12 (2.1.X series).

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