CVE-2026-59643CWE-347

CVE-2026-59643

High · published August 3, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
14.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00242 · 14.5th percentile
Weakness
CWE-347 · Improper Verification of Cryptographic Signature
Published
2026-08-03T05:16Z
Affected products (2)
ProductVersionsFixed in
bouncycastle/bc-java< 1.851.85
bouncycastle/bcpg-fips< 2.0.132.0.13
References (2)
https://github.com/bcgit/bc-java/commit/d3f8cc408b4a36d28e5a410c93436fe3d0fe726b · 91579145-5d7b-4cc5-b925-a0262ff19630https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059643 · 91579145-5d7b-4cc5-b925-a0262ff19630
EPSS history
Timeline
  • 03 AUG 00:51Z
    OpenPGP inline-signature policy failures silently ignored
    cvelistv5