CVE-2026-59643

In Bouncy Castle for Java before 1.85, OpenPGP inline-signature policy failures silently ignored. This issue also affects Bouncy Castle for Java FIPS (BC-FJA) before bcpg-fips 2.0.13.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/bcgit/bc-java/commit/d3f8cc408b4a36d28e5a410c93436fe3d0fe726b	Patch
https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059643	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:bouncycastle:bc-java::::::::
	cpe:2.3:a:bouncycastle:bcpg-fips::::::::

History

No history.

Information

Published : 2026-08-03 01:16

Updated : 2026-09-10 19:02

NVD link : CVE-2026-59643

Mitre link : CVE-2026-59643

CVE.ORG link : CVE-2026-59643

JSON object : View

Products Affected

bouncycastle

bc-java
bcpg-fips

CWE

CWE-347

Improper Verification of Cryptographic Signature

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