CVE-2026-43827

CVE-2026-43827 affects Apache Shiro. In affected versions (1.0–2.1.0 and 3.0.0-alpha-1), an existing session is not invalidated nor a new session with a new ID issued after login, enabling session fixation. Upgraded fixes are available in 2.1.1 and 3.0.0-alpha-2 or later; apply the patch to mitig...