Critical
Security advisory
In Apache Tomcat 9.0.0.M1 to 9.0.0.M9, 8.5.0 to 8.5.4, 8.0.0.RC1 to 8.0.36, 7.0.0 to 7.0.70 and 6.0.0 to 6.0.45 a malicious web application was able to bypass a configured SecurityManager via a Tomcat utility method that was accessible to web applications.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2016-5018
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 08:12 UTC · Revision 1
Source evidence
In Apache Tomcat 9.0.0.M1 to 9.0.0.M9, 8.5.0 to 8.5.4, 8.0.0.RC1 to 8.0.36, 7.0.0 to 7.0.70 and 6.0.0 to 6.0.45 a malicious web application was able to bypass a configured SecurityManager via a Tomcat utility method that was accessible to web applications.
osv:CVE-2016-5018
Complete source record
{
"id": "ec43633721ff5a92139e4d290d7d32620c065029f4cb61a35194518e8c0185a0",
"url": "https://osv.dev/vulnerability/CVE-2016-5018",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2016-5018",
"summary": "In Apache Tomcat 9.0.0.M1 to 9.0.0.M9, 8.5.0 to 8.5.4, 8.0.0.RC1 to 8.0.36, 7.0.0 to 7.0.70 and 6.0.0 to 6.0.45 a malicious web application was able to bypass a configured SecurityManager via a Tomcat utility method that was accessible to web applications.",
"evidence": "osv:CVE-2016-5018",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2016-5018",
"aliases": [
"CVE-2016-5018",
"GHSA-4v3g-g84w-hv7r"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/apache/tomcat",
"type": "GIT",
"events": [
{
"introduced": "e498667bd7811e846771a852b16ce9f1e524b81b"
},
{
"last_affected": "ff181ab22b2b18e77ab9e0f0c2cfe5cfa59c844c"
},
{
"introduced": "e37b977db6f47e4380ad67114a49e8568951c953"
},
{
"last_affected": "3e5565173dfe107f90419ab63bd4e2e7edc9deb4"
},
{
"introduced": "29b07def810d335012e738b22ab44d4e232b50d1"
},
{
"last_affected": "45f8fd74cdb96490fab8709263a4d862f0d429cf"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.0.0"
},
{
"last_affected": "7.0.70"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.5.0"
},
{
"last_affected": "8.5.4"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:apache:tomcat:9.0.0:milestone1:*:*:*:*:*:*",
"range": [
{
"introduced": "9.0.0-milestone1"
},
{
"last_affected": "9.0.0-milestone1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:apache:tomcat:9.0.0:milestone2:*:*:*:*:*:*",
"range": [
{
"introduced": "9.0.0-milestone2"
},
{
"last_affected": "9.0.0-milestone2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:apache:tomcat:9.0.0:milestone3:*:*:*:*:*:*",
"range": [
{
"introduced": "9.0.0-milestone3"
},
{
"last_affected": "9.0.0-milestone3"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:apache:tomcat:9.0.0:milestone4:*:*:*:*:*:*",
"range": [
{
"introduced": "9.0.0-milestone4"
},
{
"last_affected": "9.0.0-milestone4"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:apache:tomcat:9.0.0:milestone5:*:*:*:*:*:*",
"range": [
{
"introduced": "9.0.0-milestone5"
},
{
"last_affected": "9.0.0-milestone5"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:apache:tomcat:9.0.0:milestone6:*:*:*:*:*:*",
"range": [
{
"introduced": "9.0.0-milestone6"
},
{
"last_affected": "9.0.0-milestone6"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:apache:tomcat:9.0.0:milestone7:*:*:*:*:*:*",
"range": [
{
"introduced": "9.0.0-milestone7"
},
{
"last_affected": "9.0.0-milestone7"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:apache:tomcat:9.0.0:milestone8:*:*:*:*:*:*",
"range": [
{
"introduced": "9.0.0-milestone8"
},
{
"last_affected": "9.0.0-milestone8"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:apache:tomcat:9.0.0:milestone9:*:*:*:*:*:*",
"range": [
{
"introduced": "9.0.0-milestone9"
},
{
"last_affected": "9.0.0-milestone9"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"9.0.0-milestone1",
"9.0.0-milestone2",
"9.0.0-milestone3",
"9.0.0-milestone4",
"9.0.0-milestone5",
"9.0.0-milestone6",
"9.0.0-milestone7",
"9.0.0-milestone8",
"9.0.0-milestone9"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-5018.json"
}
}
],
"modified": "2026-10-24T10:31:04.303575292Z",
"provider": "osv",
"references": [
"https://lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551%40%3Cdev.tomcat.apache.org%3E",
"https://lists.apache.org/thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113%40%3Cdev.tomcat.apache.org%3E",
"https://lists.apache.org/thread.html/388a323769f1dff84c9ec905455aa73fbcb20338e3c7eb131457f708%40%3Cdev.tomcat.apache.org%3E",
"https://lists.apache.org/thread.html/39ae1f0bd5867c15755a6f959b271ade1aea04ccdc3b2e639dcd903b%40%3Cdev.tomcat.apache.org%3E",
"https://lists.apache.org/thread.html/3d19773b4cf0377db62d1e9328bf9160bf1819f04f988315086931d7%40%3Cdev.tomcat.apache.org%3E",
"https://lists.apache.org/thread.html/845312a10aabbe2c499fca94003881d2c79fc993d85f34c1f5c77424%40%3Cdev.tomcat.apache.org%3E",
"https://lists.apache.org/thread.html/9b3a63a20c87179815fdea14f6766853bafe79a0042dc0b4aa878a9e%40%3Cannounce.tomcat.apache.org%3E",
"https://lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc%40%3Cdev.tomcat.apache.org%3E",
"https://lists.apache.org/thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95%40%3Cdev.tomcat.apache.org%3E",
"https://lists.apache.org/thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb%40%3Cdev.tomcat.apache.org%3E",
"https://lists.apache.org/thread.html/r03c597a64de790ba42c167efacfa23300c3d6c9fe589ab87fe02859c%40%3Cdev.tomcat.apache.org%3E",
"https://lists.apache.org/thread.html/r587e50b86c1a96ee301f751d50294072d142fd6dc08a8987ae9f3a9b%40%3Cdev.tomcat.apache.org%3E",
"https://lists.apache.org/thread.html/r9136ff5b13e4f1941360b5a309efee2c114a14855578c3a2cbe5d19c%40%3Cdev.tomcat.apache.org%3E",
"https://access.redhat.com/errata/RHSA-2017:0455",
"https://access.redhat.com/errata/RHSA-2017:0456",
"https://access.redhat.com/errata/RHSA-2017:1548",
"https://access.redhat.com/errata/RHSA-2017:1549",
"https://access.redhat.com/errata/RHSA-2017:1550",
"https://access.redhat.com/errata/RHSA-2017:1552",
"https://access.redhat.com/errata/RHSA-2017:2247",
"https://security.netapp.com/advisory/ntap-20180605-0001/",
"https://usn.ubuntu.com/4557-1/",
"https://www.oracle.com/security-alerts/cpuoct2021.html"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*"
],
"vendor_product": "apache:tomcat",
"extracted_events": [
{
"range": [
{
"introduced": "6.0.0"
},
{
"last_affected": "6.0.45"
},
{
"introduced": "8.0"
},
{
"last_affected": "8.0.36"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:tekelec_platform_distribution:*:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:tekelec_platform_distribution",
"extracted_events": [
{
"range": [
{
"introduced": "7.4.0"
},
{
"last_affected": "7.7.1"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*"
],
"vendor_product": "canonical:ubuntu_linux",
"extracted_events": [
{
"range": [
{
"introduced": "16.04"
},
{
"last_affected": "16.04"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "8.0"
},
{
"last_affected": "8.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_desktop",
"extracted_events": [
{
"range": [
{
"introduced": "7.0"
},
{
"last_affected": "7.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_eus:7.4:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_eus:7.5:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_eus:7.6:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_eus:7.7:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_eus",
"extracted_events": [
{
"range": [
{
"introduced": "7.4"
},
{
"last_affected": "7.4"
},
{
"introduced": "7.5"
},
{
"last_affected": "7.5"
},
{
"introduced": "7.6"
},
{
"last_affected": "7.6"
},
{
"introduced": "7.7"
},
{
"last_affected": "7.7"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_server",
"extracted_events": [
{
"range": [
{
"introduced": "7.0"
},
{
"last_affected": "7.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_server_aus",
"extracted_events": [
{
"range": [
{
"introduced": "7.4"
},
{
"last_affected": "7.4"
},
{
"introduced": "7.6"
},
{
"last_affected": "7.6"
},
{
"introduced": "7.7"
},
{
"last_affected": "7.7"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_server_tus",
"extracted_events": [
{
"range": [
{
"introduced": "7.6"
},
{
"last_affected": "7.6"
},
{
"introduced": "7.7"
},
{
"last_affected": "7.7"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_workstation",
"extracted_events": [
{
"range": [
{
"introduced": "7.0"
},
{
"last_affected": "7.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:redhat:jboss_enterprise_application_platform:6.4:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:jboss_enterprise_application_platform",
"extracted_events": [
{
"range": [
{
"introduced": "6.4"
},
{
"last_affected": "6.4"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:redhat:jboss_enterprise_web_server:3.0.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:jboss_enterprise_web_server",
"extracted_events": [
{
"range": [
{
"introduced": "3.0.0"
},
{
"last_affected": "3.0.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2016-5018",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 440479,
"published_at": "2017-08-10T16:29:00.407+00:00"
}