CVE-2026-43828 PUBLISHED

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

Assigner: apache
Reserved: 03.05.2026 Published: 25.05.2026 Updated: 26.05.2026

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.

Metrics

CVSS 4.0

CVSS Vector: 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
CVSS Score: 5.9

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	Low
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	Present	Availability	None	Availability	None
Privileges Required	None
User Interaction	Active

CVSS 4.0

Product Status

Vendor	Apache Software Foundation
Product	Apache Shiro
Versions	Default: unaffected affected from 1.0 to 2.1.0 (incl.) affected from 3.0.0-alpha-0 to 3.0.0-alpha-1 (incl.)

Credits

Meteor_Kai <1318723916@qq.com> finder
Lenny Primak <lenny@flowlogix.com> remediation developer

References

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

Problem Types

CWE-614 Sensitive Cookie in HTTPS Session Without 'Secure' Attribute CWE