UnratedFix available
tomcat6: Fix of CVE-2026-55957
Type: advisorySources: OSV
- CVE-2026-55957: tomcat6: JNDIRealm GSSAPI authenticated bind allowed authentication without the correct password
- Products
- tomcat6, tomcat6-admin-webapps, tomcat6-docs-webapp, tomcat6-el-2.1-api, tomcat6-javadoc, tomcat6-jsp-2.1-api, tomcat6-lib, tomcat6-servlet-2.5-api, tomcat6-webapps
- Affected versions
- Not specified
- Fixed versions
- 6.0.24-115.el6_10.tuxcare.els3
- CVEs
- CVE-2026-55957
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:00 UTC · Revision 1
Source evidence
- CVE-2026-55957: tomcat6: JNDIRealm GSSAPI authenticated bind allowed authentication without the correct password
osv:CLSA-2026-1786880926
tomcat6
Fixed versions: 6.0.24-115.el6_10.tuxcare.els3
tomcat6-admin-webapps
Fixed versions: 6.0.24-115.el6_10.tuxcare.els3
tomcat6-docs-webapp
Fixed versions: 6.0.24-115.el6_10.tuxcare.els3
tomcat6-el-2.1-api
Fixed versions: 6.0.24-115.el6_10.tuxcare.els3
tomcat6-javadoc
Fixed versions: 6.0.24-115.el6_10.tuxcare.els3
tomcat6-jsp-2.1-api
Fixed versions: 6.0.24-115.el6_10.tuxcare.els3
tomcat6-lib
Fixed versions: 6.0.24-115.el6_10.tuxcare.els3
tomcat6-servlet-2.5-api
Fixed versions: 6.0.24-115.el6_10.tuxcare.els3
tomcat6-webapps
Fixed versions: 6.0.24-115.el6_10.tuxcare.els3
Complete source record
{
"id": "d54e55774742955ea9d18125c23efbe5e1fe5ddec7e4d6ad7556e30b914322ee",
"url": "https://osv.dev/vulnerability/CLSA-2026-1786880926",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "tomcat6: Fix of CVE-2026-55957",
"summary": "- CVE-2026-55957: tomcat6: JNDIRealm GSSAPI authenticated bind allowed authentication without the correct password",
"evidence": "osv:CLSA-2026-1786880926",
"products": [
{
"name": {
"value": "tomcat6",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "6.0.24-115.el6_10.tuxcare.els3",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tomcat6-admin-webapps",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "6.0.24-115.el6_10.tuxcare.els3",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tomcat6-docs-webapp",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "6.0.24-115.el6_10.tuxcare.els3",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tomcat6-el-2.1-api",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "6.0.24-115.el6_10.tuxcare.els3",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tomcat6-javadoc",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "6.0.24-115.el6_10.tuxcare.els3",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tomcat6-jsp-2.1-api",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "6.0.24-115.el6_10.tuxcare.els3",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tomcat6-lib",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "6.0.24-115.el6_10.tuxcare.els3",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tomcat6-servlet-2.5-api",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "6.0.24-115.el6_10.tuxcare.els3",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tomcat6-webapps",
"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "6.0.24-115.el6_10.tuxcare.els3",
"evidence": "/affected/8/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1786880926",
"aliases": [
"CLSA-2026-1786880926"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "6.0.24-115.el6_10.tuxcare.els3"
}
]
}
],
"package": {
"name": "tomcat6",
"purl": "pkg:rpm/tuxcare/tomcat6?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1786880926.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "6.0.24-115.el6_10.tuxcare.els3"
}
]
}
],
"package": {
"name": "tomcat6-admin-webapps",
"purl": "pkg:rpm/tuxcare/tomcat6-admin-webapps?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1786880926.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "6.0.24-115.el6_10.tuxcare.els3"
}
]
}
],
"package": {
"name": "tomcat6-docs-webapp",
"purl": "pkg:rpm/tuxcare/tomcat6-docs-webapp?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1786880926.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "6.0.24-115.el6_10.tuxcare.els3"
}
]
}
],
"package": {
"name": "tomcat6-el-2.1-api",
"purl": "pkg:rpm/tuxcare/tomcat6-el-2.1-api?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1786880926.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "6.0.24-115.el6_10.tuxcare.els3"
}
]
}
],
"package": {
"name": "tomcat6-javadoc",
"purl": "pkg:rpm/tuxcare/tomcat6-javadoc?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1786880926.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "6.0.24-115.el6_10.tuxcare.els3"
}
]
}
],
"package": {
"name": "tomcat6-jsp-2.1-api",
"purl": "pkg:rpm/tuxcare/tomcat6-jsp-2.1-api?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1786880926.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "6.0.24-115.el6_10.tuxcare.els3"
}
]
}
],
"package": {
"name": "tomcat6-lib",
"purl": "pkg:rpm/tuxcare/tomcat6-lib?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1786880926.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "6.0.24-115.el6_10.tuxcare.els3"
}
]
}
],
"package": {
"name": "tomcat6-servlet-2.5-api",
"purl": "pkg:rpm/tuxcare/tomcat6-servlet-2.5-api?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1786880926.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "6.0.24-115.el6_10.tuxcare.els3"
}
]
}
],
"package": {
"name": "tomcat6-webapps",
"purl": "pkg:rpm/tuxcare/tomcat6-webapps?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1786880926.json"
}
}
],
"modified": "2026-10-26T09:31:40.304633780Z",
"provider": "osv",
"upstream": [
"CVE-2026-55957"
],
"references": [
"https://errata.tuxcare.com/els_os/centos6els/CLSA-2026-1786880926.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-55957"
]
},
"related_cves": [
{
"value": "CVE-2026-55957",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 448062,
"published_at": "2026-08-18T20:51:48+00:00"
}