PT-2026-67011 · Legion Of The Bouncy Castle · Bc-Java+1

CVE-2026-12185 · Published 2026-08-03 · Updated 2026-08-03

Mitre

CVSS v4.0

7.1

High

Base vector

AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/U:Amber

In Bouncy Castle for Java before 1.85, BKS/UBER keystore allocates from untrusted lengths before integrity check. This issue also affects Bouncy Castle for Java LTS before 2.73.12.

Exploit

Fix

Weakness Enumeration

CWE-789

Related Identifiers

CVE-2026-12185

Affected Products

Bc-Java

Bc-Lts-Java

References · 4

• 🔥 https://github.com/bcgit/bc-java/wiki/CVE-2026-12185 · Exploit
• 🔥 https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9012185 · Exploit
• https://github.com/bcgit/bc-java/commit/7bbd7fe5f44132e5b6140a2914435c12430eeb3d · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-12185 · Security Note