https://seclists.org/oss-sec/2026/q1/148: CVE-2026-23903: Apache Shiro: Auth bypass when accessing static files only on case-insensitive filesystems

Published Feb 8, 2026
·
Updated

Affected Software

1 affected component
Apache Shiro<2.0.7
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Frequently Asked Questions

1

What is the severity of CVE-2026-23903?

The severity of CVE-2026-23903 is classified as low.

2

What versions of Apache Shiro are affected by CVE-2026-23903?

All versions of Apache Shiro before 2.0.7 are affected by CVE-2026-23903.

3

How do I fix CVE-2026-23903?

To fix CVE-2026-23903, upgrade Apache Shiro to version 2.0.7 or later.

4

What type of vulnerability is CVE-2026-23903?

CVE-2026-23903 is an Authentication Bypass by Alternate Name vulnerability.

5

When was CVE-2026-23903 published?

CVE-2026-23903 was published on February 8, 2026.

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