PT-2026-67236 · Unknown · Bouncy Castle For Java

CVE-2026-59643

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Published

2026-08-03

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Updated

2026-08-10

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 FIPS (BC-FJA) versions prior to bcpg-fips 2.0.13
Description OpenPGP inline-signature policy failures are silently ignored, which may lead to security policy bypasses during signature verification.
Recommendations Update Bouncy Castle for Java to version 1.85 or later. Update Bouncy Castle for Java FIPS (BC-FJA) to version bcpg-fips 2.0.13 or later.

Exploit

Fix

Improper Verification of Cryptographic Signature

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Weakness Enumeration

Related Identifiers

CVE-2026-59643
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