5.1
MEDIUM CVSS 4.0
CVE-2026-44598
Apache Shiro Jakarta EE module: Open redirect and SSRF (requires valid credentials)
Description

With valid login credentials, URL Redirection to Untrusted Site ('Open Redirect'), Server-Side Request Forgery (SSRF) vulnerability in Apache Shiro. This issue affects Apache Shiro from 2.0-alpha to 2.1.0, and 3.0.0-alpha-1, only when using shiro-jakarta-ee integration module. Users are recommended to upgrade to version 2.1.1, or 3.0.0-alpha-2 or later, which fixes the issue by encrypting the cookie. After successful login, Jakarta EE integration module uses shiroSavedRequest cookie to redirect to a particular web page after login. This cookie was not validated, and can be forged to send a HTTP GET request from the server itself to an arbitrary URL from the cookie.

INFO

Published Date :

May 25, 2026, 8:19 p.m.

Last Modified :

May 25, 2026, 8:19 p.m.

Remotely Exploit :

Yes !

Source :

apache
Affected Products

The following products are affected by CVE-2026-44598 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 4.0 MEDIUM f0158376-9dc2-43b6-827c-5f631a4d8d09
Solution
Upgrade Apache Shiro to a patched version to fix SSRF by encrypting the cookie.
  • Upgrade Apache Shiro to version 2.1.1 or later.
  • Upgrade Apache Shiro to version 3.0.0-alpha-2 or later.

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-2026-44598 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.