CVE-2026-44598 Apache Shiro Jakarta EE module: Open redirect and SSRF (requires valid credentials)
Authenticated attackers can exploit unvalidated cookies in Apache Shiro's Jakarta EE module to trigger SSRF and open redirects.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-44598?
CVE-2026-44598 is a medium-severity server-side request forgery vulnerability in Apache Shiro Jakarta EE module, published on 25 May 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official 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.
Which versions are affected by CVE-2026-44598?
4 open source packages ship an affected version, including org.apache.shiro:shiro-jakarta-ee. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.apache.shiro:shiro-jakarta-ee Maven | From 2.0.0-alpha-0 | 2.2.0 |
org.apache.shiro:shiro-jakarta-ee Maven | From 2.0.0-alpha-0 | 2.2.0 |
org.apache.shiro:shiro-jakarta-ee Maven | From 3.0.0-alpha-1 | 3.0.0-alpha-2 |
org.apache.shiro:shiro-jakarta-ee Maven | From 3.0.0-alpha-1 | 3.0.0-alpha-2 |
Products include Apache Shiro.
How do I fix CVE-2026-44598?
Upgrade org.apache.shiro:shiro-jakarta-ee to a fixed version for your release line: 2.2.0 or 3.0.0-alpha-2.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-44598 being exploited?
There is no known exploitation of CVE-2026-44598 in the wild and no public exploit code.
Other vulnerabilities in Apache Shiro Jakarta EE module
- CVE-2023-34478 Path Traversal in Apache Shiro
- CVE-2022-40664 Authentication Bypass Vulnerability in Shiro when forwarding or including via RequestDispatcher
- CVE-2022-32532 Authentication Bypass Vulnerability
- CVE-2021-41303 Apache Shiro vulnerable to a specially crafted HTTP request causing an authentication bypass
- CVE-2020-17523 Authentication bypass in Apache Shiro
Sources
Also known as GHSA-wpqm-4gwx-w843, UBUNTU-CVE-2026-44598.