CriticalFix available
tomcat-native — security advisory
Initialization of a resource with an insecure default vulnerability in Apache Tomcat Native enabled insecure options by default including ALLOW_CLIENT_RENEGOTIATION, NO_EXTENDED_MASTER_SECRET, IGNORE_UNEXPECTED_EOF and ALLOW_NO_DHE_KEX. This issue affects Apache Tomcat Native: from 2.0.0 through 2.0.15, from 1.3.0 through 1.3.8. Earlier unsupported versions may also be affected. Users are recommended to upgrade to version 2.0.16 or 1.3.9, which fix the issue.
- Products
- tomcat-native
- Affected versions
- 1.2.35-1, 1.3.1-1, 1.3.7-1, 2.0.14-1, 2.0.16-1
- Fixed versions
- 2.0.16-1
- CVEs
- CVE-2026-86246
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 28 Oct 2026, 03:41 UTC · Revision 1
Source evidence
Initialization of a resource with an insecure default vulnerability in Apache Tomcat Native enabled insecure options by default including ALLOW_CLIENT_RENEGOTIATION, NO_EXTENDED_MASTER_SECRET, IGNORE_UNEXPECTED_EOF and ALLOW_NO_DHE_KEX. This issue affects Apache Tomcat Native: from 2.0.0 through 2.0.15, from 1.3.0 through 1.3.8. Earlier unsupported versions may also be affected. Users are recommended to upgrade to version 2.0.16 or 1.3.9, which fix the issue.
osv:DEBIAN-CVE-2026-86246
tomcat-native
Fixed versions: Not specified
tomcat-native
Fixed versions: Not specified
tomcat-native
Fixed versions: 2.0.16-1
Complete source record
{
"id": "f316cbd4ecff856f611b4994a377ba7fd4c6000ddb9a566d4f53e3e88866747c",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-86246",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2026-86246",
"summary": "Initialization of a resource with an insecure default vulnerability in Apache Tomcat Native enabled insecure options by default including ALLOW_CLIENT_RENEGOTIATION, NO_EXTENDED_MASTER_SECRET, IGNORE_UNEXPECTED_EOF and ALLOW_NO_DHE_KEX. This issue affects Apache Tomcat Native: from 2.0.0 through 2.0.15, from 1.3.0 through 1.3.8. Earlier unsupported versions may also be affected. Users are recommended to upgrade to version 2.0.16 or 1.3.9, which fix the issue.",
"evidence": "osv:DEBIAN-CVE-2026-86246",
"products": [
{
"name": {
"value": "tomcat-native",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.2.35-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.3.1-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.3.7-1",
"evidence": "/affected/0/versions"
},
{
"value": "2.0.14-1",
"evidence": "/affected/0/versions"
},
{
"value": "2.0.16-1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
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"evidence": "/affected/1/package/name"
},
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{
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"evidence": "/affected/1/versions"
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{
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},
{
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}
]
},
{
"name": {
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"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/2/ranges"
}
],
"affected_versions": [
{
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"evidence": "/affected/2/versions"
},
{
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},
{
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}
]
}
],
"severity": "critical",
"structured": {
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"aliases": [
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],
"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": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
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"package": {
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"purl": "pkg:deb/debian/tomcat-native?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
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"1.3.1-1",
"1.3.7-1",
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],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-86246.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
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]
}
],
"package": {
"name": "tomcat-native",
"purl": "pkg:deb/debian/tomcat-native?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"1.3.1-1",
"1.3.7-1",
"2.0.14-1",
"2.0.16-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-86246.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.0.16-1"
}
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}
],
"package": {
"name": "tomcat-native",
"purl": "pkg:deb/debian/tomcat-native?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
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"2.0.14-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-86246.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-07T09:47:40.011030314Z",
"provider": "osv",
"upstream": [
"CVE-2026-86246"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2026-86246"
]
},
"related_cves": [
{
"value": "CVE-2026-86246",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 94681,
"published_at": "2026-09-23T13:17:31.117+00:00"
}