CVSS 4.0
8.7 highCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/U:AmberCVE-2026-12817
High (8.7) in bouncycastle. EPSS 0.2% chance of exploitation in the next 30 days.
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).
Severity
CVSS 3.1
8.6 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H- EPSS
- 0.2% chance of exploitation in the next 30 days; higher than 6% of CVEs (scores of 2026-10-31)
- CWE
- CWE-354
- Published
- Modified
- Record from
- the NVD, synced
Affected
- bouncycastle:bc-java
- bouncycastle:bcpg-fips
- bouncycastle:bouncy_castle_for_java_lts