{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-104711", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-10-02T10:53:37.312Z", "datePublished": "2026-10-05T18:35:10.026Z", "dateUpdated": "2026-10-06T14:09:06.711Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-10-05T18:35:10.026Z" }, "title": "Apache Struts: OGNL injection in the legacy RESTful action mapper", "problemTypes": [ { "descriptions": [ { "description": "CWE-917 Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')", "lang": "en", "cweId": "CWE-917", "type": "CWE" } ] } ], "source": { "discovery": "EXTERNAL" }, "affected": [ { "vendor": "Apache Software Foundation", "product": "Apache Struts", "packageURL": "pkg:maven/org.apache.struts/struts2-core", "versions": [ { "status": "affected", "version": "2.0.0", "lessThanOrEqual": "2.3.37", "versionType": "semver" }, { "status": "affected", "version": "2.5.0", "lessThanOrEqual": "2.5.33", "versionType": "semver" }, { "status": "affected", "version": "6.0.0", "lessThanOrEqual": "6.11.0", "versionType": "semver" }, { "status": "affected", "version": "7.0.0", "lessThanOrEqual": "7.3.0", "versionType": "semver" } ], "defaultStatus": "unaffected", "collectionURL": "https://repo.maven.apache.org/maven2", "packageName": "org.apache.struts:struts2-core" } ], "descriptions": [ { "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.", "lang": "en", "supportingMedia": [ { "type": "text/html", "base64": false, "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.

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.

Users are recommended to upgrade to version 6.12.0 or 7.4.0, which fixes the issue." } ] } ], "references": [ { "url": "https://cwiki.apache.org/confluence/display/WW/S2-075", "tags": [ "vendor-advisory" ] } ], "metrics": [ { "other": { "type": "Textual description of severity", "content": { "text": "moderate" } }, "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "credits": [ { "lang": "en", "value": "LeaveSong", "type": "finder" } ], "x_generator": { "engine": "Vulnogram 1.0.3" } }, "adp": [ { "title": "CVE Program Container", "references": [ { "url": "http://www.openwall.com/lists/oss-security/2026/10/05/10" } ], "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-10-05T19:08:40.353Z" } }, { "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-06T14:08:35.909211Z", "id": "CVE-2026-104711", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-06T14:09:06.711Z" } } ] } }