{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2026-02-09T10:25:43.212Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "http://www.openwall.com/lists/oss-security/2026/02/08/1"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "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"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-23903",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-09T16:17:20.608697Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-09T16:17:43.204Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://repo.maven.apache.org/maven2",
          "defaultStatus": "unaffected",
          "packageName": "org.apache.shiro:shiro-web",
          "product": "Apache Shiro",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThan": "2.0.7",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Jesse Yang"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "Lenny Pimak"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eAuthentication Bypass by Alternate Name vulnerability in Apache Shiro.\u003c/p\u003e\u003cp\u003eThis issue affects Apache Shiro: before 2.0.7.\u003c/p\u003e\u003cp\u003eUsers are recommended to upgrade to version 2.0.7, which fixes the issue.\u003c/p\u003eThe issue only effects static files. If static files are served from a case-insensitive filesystem,\u003cbr\u003esuch as default macOS setup, static files may be accessed by varying the case of the filename in the request.\u003cbr\u003eIf only lower-case (common default) filters are present in Shiro, they may be bypassed this way.\u003cbr\u003e\u003cbr\u003eShiro 2.0.7 and later has a new parameters to remediate this issue\u003cbr\u003eshiro.ini: \u003cspan style=\"background-color: rgba(129, 139, 152, 0.12);\"\u003efilterChainResolver.caseInsensitive = true\u003cbr\u003e\u003c/span\u003eapplication.propertie: shiro\u003cspan style=\"background-color: rgba(129, 139, 152, 0.12);\"\u003e.caseInsensitive=true\u003cbr\u003e\u003c/span\u003e\u003cbr\u003eShiro 3.0.0 and later (upcoming) makes this the default."
            }
          ],
          "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 2.0.7 and later has a new parameters to remediate this issue\nshiro.ini: filterChainResolver.caseInsensitive = true\napplication.propertie: shiro.caseInsensitive=true\n\nShiro 3.0.0 and later (upcoming) makes this the default."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "text": "low"
            },
            "type": "Textual description of severity"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-289",
              "description": "CWE-289 Authentication Bypass by Alternate Name",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-09T09:26:21.772Z",
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "shortName": "apache"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.apache.org/thread/5jjf0hnjcol58z2m5y255c7scz1lnp8k"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Apache Shiro: Auth bypass when accessing static files only on case-insensitive filesystems",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "assignerShortName": "apache",
    "cveId": "CVE-2026-23903",
    "datePublished": "2026-02-09T09:26:21.772Z",
    "dateReserved": "2026-01-19T01:14:40.103Z",
    "dateUpdated": "2026-02-09T16:17:43.204Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}