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CVE-2026-58301

6.5 · MEDIUM

When Apache Shiro is used with the Jakarta EE integration module, a low-privileged user can craft an HTTP request that causes the server to initiate a connection to an attacker-controlled URL and t…

Published Aug 31, 2026apacheCWE-918EPSS 0.47%

Overview

CVE-2026-58301 is a medium-severity vulnerability affecting apache shiro. It was published on August 31, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

When Apache Shiro is used with the Jakarta EE integration module, a low-privileged user can craft an HTTP request that causes the server to initiate a connection to an attacker-controlled URL and transmit attacker-controlled data. This vulnerability affects Apache Shiro versions 2.x through 3.0.0 only in deployments that use the Jakarta EE integration module.

Mitigation: Upgrade to version 3.0.1 or later, which fixes the issue. +

Alternatively, you can set the `org.apache.shiro.form-resubmit-host` (String) and `org.apache.shiro.form-resubmit-port` (Integer) system properties to restrict the host and port that Shiro will connect to when resubmitting a form.

Remediation

Check the references section for vendor advisories and patches from apache. Update shiro to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
apacheshiro>= 2.0.0, < 3.0.1Affected

References

Reflists.apache.org/thread/g1g84ovof5fnonvc5o89wym2jzt77fwwRefwww.openwall.com/lists/oss-security/2026/08/30/2

How CyberStrike helps

Frequently asked questions

What is CVE-2026-58301?

CVE-2026-58301 is a medium-severity vulnerability affecting apache shiro. It was published on August 31, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2026-58301?

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-58301?

Check the references section for vendor advisories and patches from apache. Update shiro to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-58301?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-58301 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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