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    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.

    Published:Aug 3, 2026
    Last Modified:Sep 10, 2026
    EPS:Aug 3, 2026
    EPSS Score:0.00184
    CVSS Score:7.5

    Affected Products

    Vendor
    Bouncycastle
    Product
    Bc-java
    Vendor
    Bouncycastle
    Product
    Bcpg-fips
    Vendor
    Legion Of The Bouncy Castle Inc.
    Product
    Bc-fja
    Vendor
    Legion Of The Bouncy Castle Inc.
    Product
    Bc-java

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-463 Padding Oracle Crypto Attack
    CAPEC-475 Signature Spoofing by Improper Validation

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High