---
id: CVE-2026-59643
title: >-
  In Bouncy Castle for Java before 1.85, OpenPGP inline-signature policy
  failures silently ignored
summary: >-
  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.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'
cwe:
  - CWE-347
  - CWE-390
vendor: bouncycastle
product: bc-java
affected:
  - bc-java < 1.85
  - bcpg-fips < 2.0.13
patched:
  - bc-java 1.85
  - bcpg-fips 2.0.13
published: '2026-08-03'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T19:02:52.073'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-59643'
references:
  - url: >-
      https://github.com/bcgit/bc-java/commit/d3f8cc408b4a36d28e5a410c93436fe3d0fe726b
    label: 91579145-5d7b-4cc5-b925-a0262ff19630
  - url: 'https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059643'
    label: 91579145-5d7b-4cc5-b925-a0262ff19630
  - url: 'https://github.com/bcgit/bc-java/wiki/CVE-2026-59643'
    label: 91579145-5d7b-4cc5-b925-a0262ff19630
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-59643.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-59643'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2510206'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-59643'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-59643'
tags:
  - nvd
  - csaf
  - vex
  - red-hat
epss: 0.00163
epssPercentile: 0.05971
ingestedAt: '2026-08-03T01:21:07.842Z'
---

## Overview

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.

## Affected

- `bc-java < 1.85`
- `bcpg-fips < 2.0.13`

## Remediation

Upgrade past the affected range:

- `bc-java 1.85`
- `bcpg-fips 2.0.13`

## Vendor advisories

- **Red Hat VEX** · Important · affected: Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 9 · updated 2026-09-10 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-59643.json)