Vulnerability in Randombit Botan

CVE-2026-34582

Botan is a C++ cryptography library. Prior to version 3.11.1, the TLS 1.3 implementation allowed ApplicationData records to be processed prior to the Finished message being received. A server which is attempting to enforce client authentic…

EPSS: 0.000 (10.1th percentile) — read the EPSS interpretation.

Affected products

Randombit Botan — versions < 3.11.1

Weakness classification (CWE)

CWE-841 — Improper Enforcement of Behavioral Workflow

References

https://github.com/randombit/botan/security/advisories/GHSA-pxcj-9ppx-g86g (x_refsource_CONFIRM)