CVE-2026-43828: Apache Shiro

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Default configurations of Apache Shiro send sensitive cookies in HTTPS session without 'Secure' attribute. This issue affects Apache Shiro from 1.0 to 2.1.0, and 3.0.0-alpha-1. Users are recommended to upgrade to version 2.1.1, or 3.0.0-alpha-2 or later, which fixes the issue. In the affected versions, Shiro-native session manager, as well as Remember-Me manager sends JSESSIONID and rememberMe cookies without 'secure' attribute by default.

Affected products

• Apache Shiro: before 2.1.1 (fixed in 2.1.1); version 3.0.0 only

Published 2026-05-25. Last modified 2026-07-24.