vuln-cve/data/2026/23xxx/CVE-2026-23903.json

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    "cveMetadata": {
        "cveId": "CVE-2026-23903",
        "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "state": "PUBLISHED",
        "assignerShortName": "apache",
        "dateReserved": "2026-01-19T01:14:40.103Z",
        "datePublished": "2026-02-09T09:26:21.772Z",
        "dateUpdated": "2026-11-10T09:50:30.969Z"
    },
    "containers": {
        "cna": {
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                "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
                "shortName": "apache",
                "dateUpdated": "2026-11-10T09:50:30.969Z"
            },
            "title": "Apache Shiro: Auth bypass when accessing static files only on case-insensitive filesystems",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "description": "CWE-289 Authentication Bypass by Alternate Name",
                            "lang": "en",
                            "cweId": "CWE-289",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "affected": [
                {
                    "vendor": "Apache Software Foundation",
                    "product": "Apache Shiro",
                    "collectionURL": "https://repo.maven.apache.org/maven2",
                    "packageName": "org.apache.shiro:shiro-web",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "2.0.7",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "descriptions": [
                {
                    "value": "Authentication Bypass by Alternate Name vulnerability in Apache Shiro.\n\nThis issue affects Apache Shiro: before 2.0.7.\n\nUsers are recommended to upgrade to version 2.0.7, which fixes the issue.\n\nThe issue only effects static files. If static files are served from a case-insensitive filesystem,\nsuch as default macOS setup, static files may be accessed by varying the case of the filename in the request.\nIf only lower-case (common default) filters are present in Shiro, they may be bypassed this way.\n\nShiro 2.1.0 and later has a new parameters to remediate this issue\nshiro.ini: filterChainResolver.caseInsensitive = true\napplication.properties: shiro.caseInsensitive=true\n\nShiro 3.0.0 and later makes this the default in shiro.ini-based configurations.\nShiro 3.0.1 and later makes this the default in all configurations, including programmatic and Spring / Spring Boot.",
                    "lang": "en",
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                            "type": "text/html",
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                            "value": "<p>Authentication Bypass by Alternate Name vulnerability in Apache Shiro.</p><p>This issue affects Apache Shiro: before 2.0.7.</p><p>Users are recommended to upgrade to version 2.0.7, which fixes the issue.</p>The issue only effects static files. If static files are served from a case-insensitive filesystem,<br>such as default macOS setup, static files may be accessed by varying the case of the filename in the request.<br>If only lower-case (common default) filters are present in Shiro, they may be bypassed this way.<br><br>Shiro 2.1.0 and later has a new parameters to remediate this issue<br>shiro.ini: <span style=\"background-color: rgba(129, 139, 152, 0.12);\">filterChainResolver.caseInsensitive = true<br></span>application.properties: shiro<span style=\"background-color: rgba(129, 139, 152, 0.12);\">.caseInsensitive=true<br></span><br>Shiro 3.0.0 and later makes this the default in&nbsp;<tt>shiro.ini</tt>-based configurations.<br>Shiro 3.0.1 and later makes this the default in all configurations, including programmatic and Spring / Spring Boot."
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://lists.apache.org/thread/5jjf0hnjcol58z2m5y255c7scz1lnp8k",
                    "tags": [
                        "vendor-advisory"
                    ]
                }
            ],
            "metrics": [
                {
                    "other": {
                        "type": "Textual description of severity",
                        "content": {
                            "text": "low"
                        }
                    }
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Jesse Yang",
                    "type": "finder"
                },
                {
                    "lang": "en",
                    "value": "Lenny Pimak",
                    "type": "remediation developer"
                }
            ],
            "x_generator": {
                "engine": "Vulnogram 0.2.0"
            }
        },
        "adp": [
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "http://www.openwall.com/lists/oss-security/2026/02/08/1"
                    }
                ],
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2026-02-09T10:25:43.212Z"
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            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 5.3,
                            "attackVector": "NETWORK",
                            "baseSeverity": "MEDIUM",
                            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
                            "integrityImpact": "NONE",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "NONE",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "LOW"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-02-09T16:17:20.608697Z",
                                "id": "CVE-2026-23903",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-02-09T16:17:43.204Z"
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