Apache Software Foundation Apache Shiro vulnerabilities

CVE-2026-23901 [LOW] CWE-208 CVE-2026-23901: Observable Timing Discrepancy vulnerability in Apache Shiro. This issue affects Apache Shiro: from 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, that a brute-force attack may be able to tell, by timing

CVE-2026-23903 [MEDIUM] CWE-289 CVE-2026-23903: Authentication Bypass by Alternate Name vulnerability in Apache Shiro. This issue affects Apache Sh 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 as default macOS setup, static files may be accesse

CVE-2023-46749 [MEDIUM] CWE-22 CVE-2023-46749: Apache Shiro before 1.13.0 or 2.0.0-alpha-4, may be susceptible to a path traversal attack that resu Apache Shiro before 1.13.0 or 2.0.0-alpha-4, may be susceptible to a path traversal attack that results in an authentication bypass when used together with path rewriting Mitigation: Update to Apache Shiro 1.13.0+ or 2.0.0-alpha-4+, or ensure `blockSemicolon` is enabled (this is the default).

CVE-2023-46750 [MEDIUM] CWE-601 CVE-2023-46750: URL Redirection to Untrusted Site ('Open Redirect') vulnerability when "form" authentication is used URL Redirection to Untrusted Site ('Open Redirect') vulnerability when "form" authentication is used in Apache Shiro. Mitigation: Update to Apache Shiro 1.13.0+ or 2.0.0-alpha-4+.

CVE-2023-34478 [CRITICAL] CWE-22 CVE-2023-34478: Apache Shiro, before 1.12.0 or 2.0.0-alpha-3, may be susceptible to a path traversal attack that res Apache Shiro, before 1.12.0 or 2.0.0-alpha-3, may be susceptible to a path traversal attack that results in an authentication bypass when used together with APIs or other web frameworks that route requests based on non-normalized requests. Mitigation: Update to Apache Shiro 1.12.0+ or 2.0.0-alpha-3+

CVE-2022-40664 [CRITICAL] CWE-287 CVE-2022-40664: Apache Shiro before 1.10.0, Authentication Bypass Vulnerability in Shiro when forwarding or includin Apache Shiro before 1.10.0, Authentication Bypass Vulnerability in Shiro when forwarding or including via RequestDispatcher.

CVE-2022-32532 [CRITICAL] CWE-863 CVE-2022-32532: Apache Shiro before 1.9.1, A RegexRequestMatcher can be misconfigured to be bypassed on some servlet Apache Shiro before 1.9.1, A RegexRequestMatcher can be misconfigured to be bypassed on some servlet containers. Applications using RegExPatternMatcher with `.` in the regular expression are possibly vulnerable to an authorization bypass.

CVE-2021-41303 [CRITICAL] CWE-287 CVE-2021-41303: Apache Shiro before 1.8.0, when using Apache Shiro with Spring Boot, a specially crafted HTTP reques Apache Shiro before 1.8.0, when using Apache Shiro with Spring Boot, a specially crafted HTTP request may cause an authentication bypass. Users should update to Apache Shiro 1.8.0.

CVE-2020-11989 [CRITICAL] CVE-2020-11989: Apache Shiro before 1.5.3, when using Apache Shiro with Spring dynamic controllers, a specially craf Apache Shiro before 1.5.3, when using Apache Shiro with Spring dynamic controllers, a specially crafted request may cause an authentication bypass.