CVE-2026-23901

Observable Timing Discrepancy vulnerability in Apache Shiro. This issue affects Apache Shiro: from 1., 2. before 2.0.7. Users are recommended to upgrade to version 2.0.7 or later, which fixes the issue. Prior to Shiro 2.0.7, code paths for non-existent vs. existing users are different enough, tha...

CVE-2026-23901

CVE-2026-23901 describes an observable timing discrepancy vulnerability in Apache Shiro affecting 1.* and 2.* before 2.0.7. The issue allows a local brute-force-style timing difference to reveal whether a username exists or a password is incorrect, enabling username enumeration. The most likely a...

CVE-2026-23901 Apache Shiro: Brute force attack possible to determine valid user names

Observable Timing Discrepancy vulnerability in Apache Shiro. This issue affects Apache Shiro: from 1., 2. before 2.0.7. Users are recommended to upgrade to version 2.0.7 or later, which fixes the issue. Prior to Shiro 2.0.7, code paths for non-existent vs. existing users are different enough, tha...

CVE-2026-23901 Apache Shiro: Brute force attack possible to determine valid user names

Observable Timing Discrepancy vulnerability in Apache Shiro. This issue affects Apache Shiro: from 1., 2. before 2.0.7. Users are recommended to upgrade to version 2.0.7 or later, which fixes the issue. Prior to Shiro 2.0.7, code paths for non-existent vs. existing users are different enough, tha...

CVE-2026-23901

Observable Timing Discrepancy vulnerability in Apache Shiro. This issue affects Apache Shiro: from 1., 2. before 2.0.7. Users are recommended to upgrade to version 2.0.7 or later, which fixes the issue. Prior to Shiro 2.0.7, code paths for non-existent vs. existing users are different enough, tha...

Linux Distros Unpatched Vulnerability : CVE-2026-23903

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Authentication Bypass by Alternate Name vulnerability in Apache Shiro. This issue affects Apache Shiro: before 2.0.7. Users are recommended to upgrade to versio...

Apache Shiro 安全漏洞

Apache Shiro is a Java security framework developed by the Apache Foundation in the United States. It is used for authentication, authorization, encryption, and session management. Versions of Apache Shiro such as 1. and 2.0.7 had security vulnerabilities. These vulnerabilities were due to observ...

CVE-2026-23901

Observable Timing Discrepancy vulnerability in Apache Shiro. This issue affects Apache Shiro: from 1., 2. before 2.0.7. Users are recommended to upgrade to version 2.0.7 or later, which fixes the issue. Prior to Shiro 2.0.7, code paths for non-existent vs. existing users are different enough, tha...

Linux Distros Unpatched Vulnerability : CVE-2026-23901

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Observable Timing Discrepancy vulnerability in Apache Shiro. This issue affects Apache Shiro: from 1., 2. before 2.0.7. Users are recommended to upgrade to...

Apache Shiro has an Authentication Bypass

Impact Authentication Bypass: A vulnerability exists in Apache Shiro that allows authentication bypass for static files when served from a case-insensitive filesystem such as the default configuration on macOS or Windows. The issue arises when Shiro's URL filters are configured with lower-case...

GHSA-C244-P6M5-VQJ6 Apache Shiro has an Authentication Bypass

Impact Authentication Bypass: A vulnerability exists in Apache Shiro that allows authentication bypass for static files when served from a case-insensitive filesystem such as the default configuration on macOS or Windows. The issue arises when Shiro's URL filters are configured with lower-case...

CVE-2026-23903

Authentication Bypass by Alternate Name vulnerability in Apache Shiro. This issue affects Apache Shiro: before 2.0.7. Users are recommended to upgrade to version 2.0.7, which fixes the issue. The issue only effects static files. If static files are served from a case-insensitive filesystem, such ...

CVE-2026-23903

Authentication Bypass by Alternate Name vulnerability in Apache Shiro. This issue affects Apache Shiro: before 2.0.7. Users are recommended to upgrade to version 2.0.7, which fixes the issue. The issue only effects static files. If static files are served from a case-insensitive filesystem, such ...

CVE-2026-23903

Authentication Bypass by Alternate Name vulnerability in Apache Shiro. This issue affects Apache Shiro: before 2.0.7. Users are recommended to upgrade to version 2.0.7, which fixes the issue. The issue only effects static files. If static files are served from a case-insensitive filesystem, such ...

UBUNTU-CVE-2026-23903

Authentication Bypass by Alternate Name vulnerability in Apache Shiro. This issue affects Apache Shiro: before 2.0.7. Users are recommended to upgrade to version 2.0.7, which fixes the issue. The issue only effects static files. If static files are served from a case-insensitive filesystem, such ...

CVE-2026-23903

Authentication Bypass by Alternate Name vulnerability in Apache Shiro. This issue affects Apache Shiro: before 2.0.7. Users are recommended to upgrade to version 2.0.7, which fixes the issue. The issue only effects static files. If static files are served from a case-insensitive filesystem, such ...

CVE-2026-23903 Apache Shiro: Auth bypass when accessing static files only on case-insensitive filesystems

Authentication Bypass by Alternate Name vulnerability in Apache Shiro. This issue affects Apache Shiro: before 2.0.7. Users are recommended to upgrade to version 2.0.7, which fixes the issue. The issue only effects static files. If static files are served from a case-insensitive filesystem, such ...

Authentication Bypass by Alternate Name

Overview org.apache.shiro:shiro-core is a powerful and easy-to-use Java security framework that performs authentication, authorization, cryptography, and session management. Affected versions of this package are vulnerable to Authentication Bypass by Alternate Name while serving static files from...

CVE-2026-23903

Summary of CVE-2026-23903 (Apache Shiro): It is an Authentication Bypass by Alternate Name vulnerability affecting Apache Shiro versions before 2.0.7, triggered when static files are served from a case-insensitive filesystem (e.g., macOS defaults). In such cases, request filename casing can bypas...

CVE-2026-23903 Apache Shiro: Auth bypass when accessing static files only on case-insensitive filesystems

Authentication Bypass by Alternate Name vulnerability in Apache Shiro. This issue affects Apache Shiro: before 2.0.7. Users are recommended to upgrade to version 2.0.7, which fixes the issue. The issue only effects static files. If static files are served from a case-insensitive filesystem, such ...