CVE-2026-12185

7.1 highEPSS 0.3%

High (7.1) in bouncycastle. EPSS 0.3% chance of exploitation in the next 30 days.

In Bouncy Castle for Java before 1.85, BKS/UBER keystore allocates from untrusted lengths before integrity check. This issue also affects Bouncy Castle for Java LTS before 2.73.12.

Severity

CVSS 4.0

7.1 high

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/U:Amber

CVSS 3.1

8.6 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 21% of CVEs (scores of 2026-10-31)
CWE: CWE-789
Published: 2026-08-03
Modified: 2026-08-28
Record from: the NVD, synced 2026-10-19

Affected

bouncycastle:bc-java
bouncycastle:bouncy_castle_for_java_lts

References

https://github.com/bcgit/bc-java/commit/7bbd7fe5f44132e5b6140a2914435c12430eeb3d
https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9012185

Check your stack JSON