PT-2026-67243 · Unknown · Bouncy Castle For Java

CVE-2026-59650

·

Published

2026-08-03

·

Updated

2026-08-31

CVSS v4.0

9.3

Critical

VectorAV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/U:Amber
Name of the Vulnerable Software and Affected Versions Bouncy Castle for Java versions prior to 1.85 Bouncy Castle for Java LTS versions prior to 2.73.12
Description The MTI/A0 DH agreement exponentiates an unvalidated peer value. Diffie-Hellman (DH) is a method of securely exchanging cryptographic keys over a public channel.
Recommendations Update Bouncy Castle for Java to version 1.85 or later. Update Bouncy Castle for Java LTS to version 2.73.12 or later.

Exploit

Fix

RCE

Found an issue in the description? Have something to add? Feel free to write us 👾

Weakness Enumeration

Related Identifiers

CVE-2026-59650
OPENSUSE-SU-2026:11445-1
OPENSUSE-SU-2026:21538-1
SUSE-SU-2026:23127-1
SUSE-SU-2026:23150-1
SUSE-SU-2026:3559-1

Affected Products

Bouncy Castle For Java