PT-2026-67235 · Unknown · Bouncy Castle For Java+1

CVE-2026-59642

·

Published

2026-08-03

·

Updated

2026-08-28

CVSS v4.0

8.7

High

VectorAV:N/AC:L/AT:N/PR:N/UI:N/VC:N/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 Bouncy Castle for Java FIPS (BC-FJA) bcpkix-fips versions prior to 1.0.12 Bouncy Castle for Java FIPS (BC-FJA) bcpkix-fips versions prior to 2.0.12 Bouncy Castle for Java FIPS (BC-FJA) bcpkix-fips versions prior to 2.1.12
Description CMS AuthenticatedData content is not bound to the Message Authentication Code (MAC) when authentication attributes (authAttrs) are present.
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. Update Bouncy Castle for Java FIPS (BC-FJA) bcpkix-fips to version 1.0.12 or later for the 1.0.X series. Update Bouncy Castle for Java FIPS (BC-FJA) bcpkix-fips to version 2.0.12 or later for the 2.0.X series. Update Bouncy Castle for Java FIPS (BC-FJA) bcpkix-fips to version 2.1.12 or later for the 2.1.X series.

Exploit

Fix

Found an issue in the description? Have something to add? Feel free to write us 👾
dbugs@ptsecurity.com

Weakness Enumeration

CWE-354

Related Identifiers

CVE-2026-59642
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
Bcpkix Fips