{"id":76726,"date":"2026-02-09T13:45:57","date_gmt":"2026-02-09T10:15:57","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-23903-apache-shiro-auth-bypass-when-accessing-static-files-only-on-case-insensitive-filesystems\/"},"modified":"2026-02-09T13:45:57","modified_gmt":"2026-02-09T10:15:57","slug":"cve-2026-23903-apache-shiro-auth-bypass-when-accessing-static-files-only-on-case-insensitive-filesystems","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-23903-apache-shiro-auth-bypass-when-accessing-static-files-only-on-case-insensitive-filesystems\/","title":{"rendered":"CVE-2026-23903 &#8211; Apache Shiro: Auth bypass when accessing static files only on case-insensitive filesystems"},"content":{"rendered":"<p>CVE ID : CVE-2026-23903<\/p>\n<p>Published :  Feb. 9, 2026, 10:15 a.m. | 1\u00a0hour, 3\u00a0minutes ago<\/p>\n<p>Description : Authentication Bypass by Alternate Name vulnerability in Apache Shiro.<\/p>\n<p>This issue affects Apache Shiro: before 2.0.7.<\/p>\n<p>Users are recommended to upgrade to version 2.0.7, which fixes the issue.<\/p>\n<p>The issue only effects static files. If static files are served from a case-insensitive filesystem,<br \/>\nsuch as default macOS setup, static files may be accessed by varying the case of the filename in the request.<br \/>\nIf only lower-case (common default) filters are present in Shiro, they may be bypassed this way.<\/p>\n<p>Shiro 2.0.7 and later has a new parameters to remediate this issue<br \/>\nshiro.ini: filterChainResolver.caseInsensitive = true<br \/>\napplication.propertie: shiro.caseInsensitive=true<\/p>\n<p>Shiro 3.0.0 and later (upcoming) makes this the default.<\/p>\n<p>Severity: 0.0 | NA<\/p>\n<p>Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID : CVE-2026-23903 Published : Feb. 9, 2026, 10:15 a.m. | 1\u00a0hour, 3\u00a0minutes ago Description : 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 &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-76726","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/76726","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=76726"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/76726\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=76726"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=76726"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=76726"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}