# CVE-2026-43828

## Summary

- **CVE ID:** CVE-2026-43828
- **Severity:** MEDIUM
- **CVSS Score:** 5.9 (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)
- **CWE:** CWE-614
- **Published:** May 25, 2026
- **Last Modified:** May 26, 2026

## Description

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 Software Foundation — Apache Shiro (1.0)
- Apache Software Foundation — Apache Shiro (3.0.0-alpha-0)

## References

- [CNA](https://shiro.apache.org/security-reports.html#cve_2026_43828)
- [CVE](http://www.openwall.com/lists/oss-security/2026/05/25/7)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.27%
- **EPSS Percentile:** 19.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._