CVE-2026-43828
Apache Shiro: Shiro's native session and rememberMe cookies do not have secure flag set by default
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.
INFO
Published Date :
May 25, 2026, 9:16 p.m.
Last Modified :
May 28, 2026, 1:45 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | f0158376-9dc2-43b6-827c-5f631a4d8d09 | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Upgrade Apache Shiro to version 2.1.1 or later.
- Upgrade Apache Shiro to version 3.0.0-alpha-2 or later.
- Ensure cookies have the 'Secure' attribute set.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-43828.
| URL | Resource |
|---|---|
| https://shiro.apache.org/security-reports.html#cve_2026_43828 | Vendor Advisory |
| http://www.openwall.com/lists/oss-security/2026/05/25/7 | Mailing List Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-43828 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-43828
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-43828 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-43828 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
May. 28, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Added CPE Configuration OR *cpe:2.3:a:apache:shiro:3.0.0:alpha1:*:*:*:*:*:* *cpe:2.3:a:apache:shiro:*:*:*:*:*:*:*:* versions up to (excluding) 2.1.1 Added Reference Type CVE: http://www.openwall.com/lists/oss-security/2026/05/25/7 Types: Mailing List, Third Party Advisory Added Reference Type Apache Software Foundation: https://shiro.apache.org/security-reports.html#cve_2026_43828 Types: Vendor Advisory -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
May. 25, 2026
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2026/05/25/7 -
New CVE Received by [email protected]
May. 25, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 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 Added CWE CWE-614 Added Reference https://shiro.apache.org/security-reports.html#cve_2026_43828