High 8.7Published Aug 2, 2026

CVE-2026-59643OpenPGP inline-signature policy failures silently ignored

Updated under an hour ago (Oct 25, 2026, 9:40 PM ET)

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It affects Legion of the Bouncy Castle Inc. BC-JAVA and 3 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Legion of the Bouncy Castle Inc. BC-JAVA

Exploited in the last 30 days

In Bouncy Castle for Java before 1.85, OpenPGP inline-signature policy failures silently ignored. This issue also affects Bouncy Castle for Java FIPS (BC-FJA) before bcpg-fips 2.0.13.

CVSS: 8.7 HIGH (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/U:Amber
Weakness (CWE): CWE-347
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: bcorg
NVD analysis: Analyzed
Record last updated: Aug 3, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Legion of the Bouncy Castle Inc. BC-JAVA legion_of_the_bouncy_castle:bc_java (from the name)	from 1.81 before 1.85	CNA record
Legion of the Bouncy Castle Inc. BC-FJA legion_of_the_bouncy_castle:bc_fja (from the name)	from 2.0.12 before 2.0.13	CNA record
bouncycastle bc-java bouncycastle:bc-java	before 1.85	NVD
bouncycastle bcpg-fips bouncycastle:bcpg-fips	before 2.0.13	NVD

References

https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059643vendor-advisory, third-party-advisory
https://github.com/bcgit/bc-java/commit/d3f8cc408b4a36d28e5a410c93436fe3d0fe726bpatch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.