CVE-2026-43828: 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…

PriorityP335medium6.5CVSS 3.1

AVNACLPRNUIRSUCHINAN

EPSS

0.27%

19.4th percentile

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

4 ranges

Vendor	Product	Version range	Fixed in
apache	shiro	< 2.1.1	2.1.1
apache	shiro	—	—
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	—

CVSS provenance

nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

nvdv4.05.9MEDIUMCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:X/RE:L/U:Amber

cvelistv5v4.05.9MEDIUMCVSS: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

vendor_redhat6.5MEDIUM

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.