{"api_version":"1","generated_at":"2026-10-05T21:54:06+00:00","cve":"CVE-2026-104711","urls":{"html":"https://cve.report/CVE-2026-104711","api":"https://cve.report/api/cve/CVE-2026-104711.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-104711","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-104711"},"summary":{"title":"Apache Struts: OGNL injection in the legacy RESTful action mapper","description":"Improper neutralization of special elements used in an expression language statement ('Expression Language Injection') vulnerability in Apache Struts. If the application is configured to use the legacy RESTful action mapper, a crafted request can inject an OGNL expression that may lead to remote code execution. Struts 7 is affected only when the OGNL allowlist is disabled; it is enabled by default. Applications using the default action mapper, the restful2 mapper, or the Struts REST plugin are not affected.\n\nThis issue affects Apache Struts: from 2.0.0 through 2.3.37, from 2.5.0 through 2.5.33, from 6.0.0 through 6.11.0, from 7.0.0 through 7.3.0.\n\nUsers are recommended to upgrade to version 6.12.0 or 7.4.0, which fixes the issue.","state":"PUBLISHED","assigner":"apache","published_at":"2026-10-05 19:17:14","updated_at":"2026-10-05 20:17:08"},"problem_types":["CWE-917","CWE-917 CWE-917 Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')"],"metrics":[],"references":[{"url":"http://www.openwall.com/lists/oss-security/2026/10/05/10","name":"http://www.openwall.com/lists/oss-security/2026/10/05/10","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://cwiki.apache.org/confluence/display/WW/S2-075","name":"https://cwiki.apache.org/confluence/display/WW/S2-075","refsource":"security@apache.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-104711","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-104711","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Apache Software Foundation","product":"Apache Struts","version":"affected 2.0.0 2.3.37 semver","platforms":[]},{"source":"CNA","vendor":"Apache Software Foundation","product":"Apache Struts","version":"affected 2.5.0 2.5.33 semver","platforms":[]},{"source":"CNA","vendor":"Apache Software Foundation","product":"Apache Struts","version":"affected 6.0.0 6.11.0 semver","platforms":[]},{"source":"CNA","vendor":"Apache Software Foundation","product":"Apache Struts","version":"affected 7.0.0 7.3.0 semver","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"LeaveSong","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2026-10-05T19:08:40.353Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"url":"http://www.openwall.com/lists/oss-security/2026/10/05/10"}],"title":"CVE Program Container"}],"cna":{"affected":[{"collectionURL":"https://repo.maven.apache.org/maven2","defaultStatus":"unaffected","packageName":"org.apache.struts:struts2-core","packageURL":"pkg:maven/org.apache.struts/struts2-core","product":"Apache Struts","vendor":"Apache Software Foundation","versions":[{"lessThanOrEqual":"2.3.37","status":"affected","version":"2.0.0","versionType":"semver"},{"lessThanOrEqual":"2.5.33","status":"affected","version":"2.5.0","versionType":"semver"},{"lessThanOrEqual":"6.11.0","status":"affected","version":"6.0.0","versionType":"semver"},{"lessThanOrEqual":"7.3.0","status":"affected","version":"7.0.0","versionType":"semver"}]}],"credits":[{"lang":"en","type":"finder","value":"LeaveSong"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Improper neutralization of special elements used in an expression language statement ('Expression Language Injection') vulnerability in Apache Struts. If the application is configured to use the legacy RESTful action mapper, a crafted request can inject an OGNL expression that may lead to remote code execution. Struts 7 is affected only when the OGNL allowlist is disabled; it is enabled by default. Applications using the default action mapper, the restful2 mapper, or the Struts REST plugin are not affected.<br><br>This issue affects Apache Struts: from 2.0.0 through 2.3.37, from 2.5.0 through 2.5.33, from 6.0.0 through 6.11.0, from 7.0.0 through 7.3.0.<br><br>Users are recommended to upgrade to version 6.12.0 or 7.4.0, which fixes the issue."}],"value":"Improper neutralization of special elements used in an expression language statement ('Expression Language Injection') vulnerability in Apache Struts. If the application is configured to use the legacy RESTful action mapper, a crafted request can inject an OGNL expression that may lead to remote code execution. Struts 7 is affected only when the OGNL allowlist is disabled; it is enabled by default. Applications using the default action mapper, the restful2 mapper, or the Struts REST plugin are not affected.\n\nThis issue affects Apache Struts: from 2.0.0 through 2.3.37, from 2.5.0 through 2.5.33, from 6.0.0 through 6.11.0, from 7.0.0 through 7.3.0.\n\nUsers are recommended to upgrade to version 6.12.0 or 7.4.0, which fixes the issue."}],"metrics":[{"other":{"content":{"text":"moderate"},"type":"Textual description of severity"},"scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-917","description":"CWE-917 Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-10-05T18:35:10.026Z","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","shortName":"apache"},"references":[{"tags":["vendor-advisory"],"url":"https://cwiki.apache.org/confluence/display/WW/S2-075"}],"source":{"discovery":"EXTERNAL"},"title":"Apache Struts: OGNL injection in the legacy RESTful action mapper","x_generator":{"engine":"Vulnogram 1.0.3"}}},"cveMetadata":{"assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","assignerShortName":"apache","cveId":"CVE-2026-104711","datePublished":"2026-10-05T18:35:10.026Z","dateReserved":"2026-10-02T10:53:37.312Z","dateUpdated":"2026-10-05T19:08:40.353Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-05 19:17:14","lastModifiedDate":"2026-10-05 20:17:08","problem_types":["CWE-917","CWE-917 CWE-917 Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"104711","Ordinal":"1","Title":"Apache Struts: OGNL injection in the legacy RESTful action mappe","CVE":"CVE-2026-104711","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"104711","Ordinal":"1","NoteData":"Improper neutralization of special elements used in an expression language statement ('Expression Language Injection') vulnerability in Apache Struts. If the application is configured to use the legacy RESTful action mapper, a crafted request can inject an OGNL expression that may lead to remote code execution. Struts 7 is affected only when the OGNL allowlist is disabled; it is enabled by default. Applications using the default action mapper, the restful2 mapper, or the Struts REST plugin are not affected.\n\nThis issue affects Apache Struts: from 2.0.0 through 2.3.37, from 2.5.0 through 2.5.33, from 6.0.0 through 6.11.0, from 7.0.0 through 7.3.0.\n\nUsers are recommended to upgrade to version 6.12.0 or 7.4.0, which fixes the issue.","Type":"Description","Title":"Apache Struts: OGNL injection in the legacy RESTful action mappe"}]}}}