CVE
CVE-2026-59650
MTI/A0 DH agreement exponentiates unvalidated peer value
In Bouncy Castle for Java before 1.85, MTI/A0 DH agreement exponentiates unvalidated peer value. This issue also affects Bouncy Castle for Java LTS before 2.73.12.
Package Versions Affected
Package Version
patch Availability
No items found.
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CVSS Version
Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.3
-
4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber
C
H
U
0
-
C
H
U
9.3
-
4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Related Resources
No items found.
References
https://www.bouncycastle.org/download/bouncy-castle-java-lts/, https://www.bouncycastle.org/download/bouncy-castle-java/, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59650.json, https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059650, https://nvd.nist.gov/vuln/detail/CVE-2026-59650, https://github.com/bcgit/bc-java/commit/daeaae9d7075d04f40812e68671ebf4c777b5148, https://github.com/bcgit/bc-java, https://github.com/bcgit/bc-lts-java