High
Security advisory
Apache Struts versions 2.3 to 2.3.34 and 2.5 to 2.5.16 suffer from possible Remote Code Execution when alwaysSelectFullNamespace is true (either by user or a plugin like Convention Plugin) and then: results are used with no namespace and in same time, its upper package have no or wildcard namespace and similar to results, same possibility when using url tag which doesn't have value and action set and in same time, its upper package have no or wildcard namespace.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-11776
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 08:20 UTC · Revision 1
Source evidence
Apache Struts versions 2.3 to 2.3.34 and 2.5 to 2.5.16 suffer from possible Remote Code Execution when alwaysSelectFullNamespace is true (either by user or a plugin like Convention Plugin) and then: results are used with no namespace and in same time, its upper package have no or wildcard namespace and similar to results, same possibility when using url tag which doesn't have value and action set and in same time, its upper package have no or wildcard namespace.
osv:CVE-2018-11776
Complete source record
{
"id": "98544da086bb9accf453b1db435a304ebac24b965da0c75daf0664ee05285968",
"url": "https://osv.dev/vulnerability/CVE-2018-11776",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-11776",
"summary": "Apache Struts versions 2.3 to 2.3.34 and 2.5 to 2.5.16 suffer from possible Remote Code Execution when alwaysSelectFullNamespace is true (either by user or a plugin like Convention Plugin) and then: results are used with no namespace and in same time, its upper package have no or wildcard namespace and similar to results, same possibility when using url tag which doesn't have value and action set and in same time, its upper package have no or wildcard namespace.",
"evidence": "osv:CVE-2018-11776",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2018-11776",
"aliases": [
"CVE-2018-11776",
"GHSA-cr6j-3jp9-rw65"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/apache/struts",
"type": "GIT",
"events": [
{
"introduced": "df365f17ea11e319302f648e86da3188ce1c5656"
},
{
"fixed": "dbcca3512ee1a971cc0b44beac8f6b219a1bb153"
},
{
"introduced": "0"
},
{
"fixed": "eacc002334b42dc808099b12d2ce2a5177cab42d"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.4"
},
{
"fixed": "2.3.35"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.5.0"
},
{
"fixed": "2.5.17"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"STRUTS_2_5_16",
"STRUTS_2_5_15",
"STRUTS_2_5_14_1",
"STRUTS_2_5_14",
"STRUTS_2_5_13",
"STRUTS_2_3_34",
"STRUTS_2_3_33",
"STRUTS_2_5_12",
"STRUTS_2_5_11",
"STRUTS_2_3_32",
"STRUTS_2_5_10",
"STRUTS_2_5_9",
"STRUTS_2_5_8",
"STRUTS_2_5_7",
"STRUTS_2_5_6",
"STRUTS_2_5_5",
"STRUTS_2_5_4",
"STRUTS_2_3_31",
"STRUTS_2_5_3",
"STRUTS_2_3_30",
"STRUTS_2_3_29",
"STRUTS_2_3_28",
"STRUTS_2_3_24_1",
"STRUTS_2_3_27",
"STRUTS_2_3_26",
"STRUTS_2_3_25",
"STRUTS_2_5_BETA2",
"STRUTS_2_3_24",
"STRUTS_2_5_BETA1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-11776.json"
}
}
],
"modified": "2026-10-24T10:31:06.114718665Z",
"provider": "osv",
"references": [
"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-11776",
"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0012",
"https://security.netapp.com/advisory/ntap-20180822-0001/",
"https://security.netapp.com/advisory/ntap-20181018-0002/",
"https://www.oracle.com/security-alerts/cpujul2020.html",
"https://cwiki.apache.org/confluence/display/WW/S2-057",
"https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html",
"https://lists.apache.org/thread.html/r6d03e45b81eab03580cf7f8bb51cb3e9a1b10a2cc0c6a2d3cc92ed0c%40%3Cannounce.apache.org%3E",
"https://github.com/hook-s3c/CVE-2018-11776-Python-PoC",
"https://lgtm.com/blog/apache_struts_CVE-2018-11776",
"https://www.exploit-db.com/exploits/45260/",
"https://www.exploit-db.com/exploits/45262/",
"https://www.exploit-db.com/exploits/45367/"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*"
],
"vendor_product": "apache:struts",
"extracted_events": [
{
"range": [
{
"introduced": "2.0.4"
},
{
"fixed": "2.3.35"
},
{
"introduced": "2.5.0"
},
{
"fixed": "2.5.17"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:vmware_vsphere:*:*",
"cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:windows:*:*"
],
"vendor_product": "netapp:active_iq_unified_manager",
"extracted_events": [
{
"range": [
{
"introduced": "7.3"
},
{
"introduced": "9.5"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:communications_policy_management:*:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:communications_policy_management",
"extracted_events": [
{
"range": [
{
"fixed": "12.5.0"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:mysql_enterprise_monitor:*:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:mysql_enterprise_monitor",
"extracted_events": [
{
"range": [
{
"last_affected": "3.4.9.4237"
},
{
"introduced": "4.0.0"
},
{
"last_affected": "4.0.6.5281"
},
{
"introduced": "8.0.0"
},
{
"last_affected": "8.0.2.8191"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:enterprise_manager_base_platform:13.3.0.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:enterprise_manager_base_platform:13.4.0.0:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:enterprise_manager_base_platform",
"extracted_events": [
{
"range": [
{
"introduced": "13.3.0.0"
},
{
"last_affected": "13.3.0.0"
},
{
"introduced": "13.4.0.0"
},
{
"last_affected": "13.4.0.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2018-11776",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 440920,
"published_at": "2018-08-22T13:29:00.753+00:00"
}