cve-2026-23903

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        "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23903.json"
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    "title": "org.apache.shiro/shiro-web: Apache Shiro: Auth bypass when accessing static files only on case-insensitive filesystems",
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  "vulnerabilities": [
    {
      "cve": "CVE-2026-23903",
      "cwe": {
        "id": "CWE-289",
        "name": "Authentication Bypass by Alternate Name"
      },
      "discovery_date": "2026-02-09T11:09:27.013479+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2437850"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "An Authentication Bypass by Alternate Name vulnerability has been discovered 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 accessed by varying the case of the filename in the request. If only lower-case (common default) filters are present in Shiro, they may be bypassed this way.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "org.apache.shiro/shiro-web: Apache Shiro: Auth bypass when accessing static files only on case-insensitive filesystems",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-23903"
        },
        {
          "category": "external",
          "summary": "RHBZ#2437850",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2437850"
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        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-23903",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-23903"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-23903",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-23903"
        },
        {
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          "summary": "http://www.openwall.com/lists/oss-security/2026/02/08/1",
          "url": "http://www.openwall.com/lists/oss-security/2026/02/08/1"
        },
        {
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          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
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      "title": "org.apache.shiro/shiro-web: Apache Shiro: Auth bypass when accessing static files only on case-insensitive filesystems"
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}