CVE-2026-12803
UNKNOWN
NVD
CVSS Score
0
Severity
UNKNOWN
Published
Aug 03, 2026
Vendor
unknown
Description
In Bouncy Castle for Java before 1.85, KCCMBlockCipher MAC does not bind nonce when AAD is absent (cross-nonce AEAD forgery). This issue also affects Bouncy Castle for Java LTS before 2.73.12.