CVE-2026-59640
Medium · 5.3CVSS
5.3
EPSS
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Published
Aug 3, 2026
CISA due date
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The record
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).
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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