CVE-2026-43828

MEDIUM

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

Title source: cna

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.

References (2)

Core 2

Core References

Vendor Advisory vendor-advisory

https://shiro.apache.org/security-reports.html#cve_2026_43828

Mailing List

http://www.openwall.com/lists/oss-security/2026/05/25/7

Scores

CVSS v3 6.5

EPSS 0.0027

EPSS Percentile 18.7%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-614

Status published

Products (4)

apache/shiro 3.0.0 alpha1

apache/shiro < 2.1.1

Apache Software Foundation/Apache Shiro 1.0 - 2.1.0

Apache Software Foundation/Apache Shiro 3.0.0-alpha-0 - 3.0.0-alpha-1

Published May 25, 2026

Tracked Since May 26, 2026