CVE-2026-43828

Apache Shiro: Shiro's native session and rememberMe cookies do not have secure flag set by default

CVSS 5.9 MEDIUMEPSS 0.3%CWE-614

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.

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

Affected products

Apache Software Foundation · Apache Shiro

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →

References

https://shiro.apache.org/security-reports.html#cve_2026_43828 http://www.openwall.com/lists/oss-security/2026/05/25/7