CVE-2026-59641
In Bouncy Castle for Java before 1.85, S/MIME validator trusts signer-asserted signingTime for path validation. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcmail-fips and bcjmail-fips 1.0.7 (1.0.X series), 2.0.7 (2.0.X series) and 2.1.7 (2.1.X series).
- Score
- CVSS 4.0 8.7 High
- Status
- Analyzed - 91579145-5d7b-4cc5-b925-a0262ff19630
- Published
- 2026-08-03
- Last modified
- 2026-08-03
- Weaknesses
- CWE-345
Affected products
- Bc-java (Bouncycastle)
- Bcjmail-fips (Bouncycastle)
- Bcmail-fips (Bouncycastle)
- Bouncy Castle For Java Lts (Bouncycastle)
- Bc-fja (Legion Of The Bouncy Castle Inc.)
- Bc-java (Legion Of The Bouncy Castle Inc.)
- Bc-lts-java (Legion Of The Bouncy Castle Inc.)
References
- https://github.com/bcgit/bc-java/commit/2f81b22d559b3a1b026388e1ca78dd547384def8
- https://github.com/bcgit/bc-java/commit/fd89fe918b37fea1c71e95fae50284a325b09721
- https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059641
