Search/CVE-2026-59642
● CVE — High

CVE-2026-59642

VendorbouncycastleProductbc-java, bouncy castle for java lts, bcpkix-fipsDiscoveredAug 3, 2026UpdatedAug 28, 2026

In Bouncy Castle for Java before 1.85, CMS AuthenticatedData content not bound to MAC when authAttrs present. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.0.12 (2.0.X series) and 2.1.12 (2.1.X series).

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CVSS v3.1
7.5 HIGH
EPSS
0.30%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 26, 2026 → Oct 5, 2026
▲ 0.14pp
0.17% → 0.30% over 4 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityNONE
IntegrityHIGH
AvailabilityNONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Connections
4 relationships
Timeline
disclosure → media coverage
Aug 3, 2026
Disclosure — published as a CVE record. · last revised by NVD Aug 28, 2026