SEPTEMBER 17, 2026
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Case File

CVE-2026-59650

CRITICAL · CVSS 9.1 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 and LTS versions before 2.73.12 are vulnerable due to improper validation of peer values during the MTI/A0 DH agreement process, potentially allowing attackers to exploit this weakness. The impact could lead to cryptographic vulnerabilities, compromising the integrity and confidentiality of communications. Organizations using affected versions should prioritize this vulnerability to mitigate risks associated with insecure key exchanges.

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-2026-59650
Severity
CRITICAL
CVSS
9.1
EPSS
0.27%
Java

Original NVD Description

In Bouncy Castle for Java before 1.85, MTI/A0 DH agreement exponentiates unvalidated peer value. This issue also affects Bouncy Castle for Java LTS before 2.73.12.

Related CVEs

Other vulnerabilities affecting the same vendor(s)