CVE-2026-12817

The record

In Bouncy Castle for Java before 1.85, OpenPGP AEAD decryption skips final tag on chunk-aligned data. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpg-fips 1.0.13 (1.0.X series), 2.0.13 (2.0.X series) and 2.1.13 (2.1.X series).

Affected packages

Related vulnerabilities

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• CVE-2026-12803 In Bouncy Castle for Java before 1.85, KCCMBlockCipher MAC does not bind nonce when AAD… CWE-354