CVE-2026-59641
mediumpriority · track · 21OT risk · elevatedEPSS 0.002 · 7 %ileDEEUFRUSEPSS · scored 2026-10-27
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).
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.3–8.7
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (26)
Products and version ranges known to be affected.
advisories (3)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-2622Bouncy Castle: Mehrere SchwachstellenDeutsch2026-08-02csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Bouncy Castle ausnutzen, um Sicherheitsvorkehrungen zu umgehen, Daten zu manipulieren, sensible Informationen offenzulegen oder einen Denial-of-Service-Zustand auszulösen.
- WID-SEC-W-2026-4056Atlassian Produkte (Bamboo, Bitbucket, Confluence, Crucible, Fisheye und Jira): Mehrere SchwachstellenDeutsch2026-10-20csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Atlassian Bamboo, Bitbucket, Confluence, Crucible, Fisheye und Jira ausnutzen, um Daten zu manipulieren, um seine Privilegien zu erhöhen, um einen Denial of Service Angriff durchzuführen, um Informationen offenzulegen, um einen Cross-Site Scripting Angriff durchzuführen, um Sicherheitsvorkehrungen zu umgehen und um beliebigen Programmcode auszuführen.
- CERTFR-2026-AVI-1385Multiples vulnérabilités dans les produits VMwareFrançais2026-10-26vendor · certfrFR
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (11)
External citations — patches, advisories, analysis.
- https://github.com/bcgit/bc-java/commit/2f81b22d559b3a1b026388e1ca78dd547384def8cnnvd
- https://github.com/bcgit/bc-java/commit/fd89fe918b37fea1c71e95fae50284a325b09721cnnvd
- https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059641cnnvd
- https://github.com/bcgit/bc-java/wiki/CVE-2026-59641cnnvd
- https://www.bouncycastle.org/download/Patchcnnvd
- https://github.com/bcgit/bc-java/commit/2f81b22d559b3a1b026388e1ca78dd547384def8enisa_euvd
- https://github.com/bcgit/bc-java/commit/fd89fe918b37fea1c71e95fae50284a325b09721enisa_euvd
- https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059641enisa_euvd
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