CVE-2026-59640 in Bouncy Castle for Java

Zusammenfassung

von MITRE • 03.08.2026

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).

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

• Zuständig: Bcorg
• Reservieren: 06.07.2026
• Veröffentlichung: 03.08.2026
• Moderieren: akzeptiert
• Eintrag: VDB-385426
• CPE: bereit
• CWE: CWE-358 (bestätigt)
• CVSS: 7.3 (VulDB)
• EPSS: 0.00000
• KEV: nein
• Aktivitäten: very low
• Sektor: Education, Finance, ...

Quellen

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-59640
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-59640
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-59640/