In Bouncy Castle for Java before 1.85, OpenPGP CFB quick-check oracle active on symmetric/session-key paths. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for J…

Info

CVECVE-2026-59640

First seen2026-08-03 02:15 UTC

Disclosed2026-08-03 01:16 UTC

Last updated2026-08-03 02:15 UTC

Channel statusauto

Summary

In Bouncy Castle for Java before 1.85, OpenPGP CFB quick-check oracle active on symmetric/session-key paths. 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).

In-depth triage · Auto channel

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Sources

NVD DATABASE

Original Links

https://github.com/bcgit/bc-java/commit/6b94b1c146cec1f565d9a85847fae511af77503e
https://github.com/bcgit/bc-java/wiki/CVE-2026-59640

Timeline

2026-08-03 nvd_ingest NVD