CVE-2026-12817

HighCVSS 8.6/10Last modified Aug 31, 2026

Description

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).

Metrics

CVSS 3.1 8.6/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Weakness enumeration

CWE-354

Affected software

No affected versions have been published.

Timeline

Published: Aug 3, 2026
Last modified: Aug 31, 2026
NVD status: Analyzed

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