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[GHSA-5q2g-877c-9cwh] A missing critical step in authentication vulnerability... #10522

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[GHSA-5q2g-877c-9cwh] A missing critical step in authentication vulnerability... #10522

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344 changes: 341 additions & 3 deletions advisories/unreviewed/2026/10/GHSA-5q2g-877c-9cwh/GHSA-5q2g-877c-9cwh.json
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{
"schema_version": "1.4.0",
"id": "GHSA-5q2g-877c-9cwh",
"modified": "2026-10-20T21:30:54Z",
"modified": "2026-10-20T21:31:58Z",
"published": "2026-10-20T15:31:23Z",
"aliases": [
"CVE-2026-101296"
],
"summary": "Apache Tomcat - JNDIRealm bind credential validation fails open for non-GSSAPI SASL mechanisms",
"details": "A missing critical step in authentication vulnerability in Apache Tomcat when the JNDI realm was configured with with a non GSSAPI SASL authentication mechanism allowed attackers to authenticate without providing the correct password.\n\n\n\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.26, from 10.1.0-M1 through 10.1.60, from 9.0.0.M1 through 9.0.122.\n\n\n\nThe following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other unsupported versions may also be affected.\n\n\n\nUsers are recommended to upgrade to version 11.0.27, 10.1.61 or 9.0.123, which fix the issue.",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"
}
],
"affected": [
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.tomcat:tomcat"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "9.0.0.M1"
},
{
"fixed": "9.0.123"
}
]
}
],
"database_specific": {
"last_known_affected_version_range": "<= 9.0.122"
}
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.tomcat:tomcat"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "10.1.0-M1"
},
{
"fixed": "10.1.61"
}
]
}
],
"database_specific": {
"last_known_affected_version_range": "<= 10.1.60"
}
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.tomcat:tomcat"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "11.0.0-M1"
},
{
"fixed": "11.0.27"
}
]
}
],
"database_specific": {
"last_known_affected_version_range": "<= 11.0.26"
}
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.tomcat:tomcat"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "8.5.0"
},
{
"last_affected": "8.5.100"
}
]
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.tomcat:tomcat"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "7.0.0"
},
{
"last_affected": "7.0.109"
}
]
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.tomcat:tomcat-catalina"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "9.0.0.M1"
},
{
"fixed": "9.0.123"
}
]
}
],
"database_specific": {
"last_known_affected_version_range": "<= 9.0.122"
}
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.tomcat:tomcat-catalina"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "10.1.0-M1"
},
{
"fixed": "10.1.61"
}
]
}
],
"database_specific": {
"last_known_affected_version_range": "<= 10.1.60"
}
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.tomcat:tomcat-catalina"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "11.0.0-M1"
},
{
"fixed": "11.0.27"
}
]
}
],
"database_specific": {
"last_known_affected_version_range": "<= 11.0.26"
}
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.tomcat:tomcat-catalina"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "8.5.0"
},
{
"last_affected": "8.5.100"
}
]
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.tomcat:tomcat-catalina"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "7.0.0"
},
{
"last_affected": "7.0.109"
}
]
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.tomcat.embed:tomcat-embed-core"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "9.0.0.M1"
},
{
"fixed": "9.0.123"
}
]
}
],
"database_specific": {
"last_known_affected_version_range": "<= 9.0.122"
}
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.tomcat.embed:tomcat-embed-core"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "10.1.0-M1"
},
{
"fixed": "10.1.61"
}
]
}
],
"database_specific": {
"last_known_affected_version_range": "<= 10.1.60"
}
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.tomcat.embed:tomcat-embed-core"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "11.0.0-M1"
},
{
"fixed": "11.0.27"
}
]
}
],
"database_specific": {
"last_known_affected_version_range": "<= 11.0.26"
}
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.tomcat.embed:tomcat-embed-core"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "8.5.0"
},
{
"last_affected": "8.5.100"
}
]
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.tomcat.embed:tomcat-embed-core"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "7.0.0"
},
{
"last_affected": "7.0.109"
}
]
}
]
}
],
"affected": [],
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-101296"
},
{
"type": "WEB",
"url": "https://github.com/apache/tomcat/commit/42827afa4d073ac3d9f8b3cc81b857aa455bf1e6"
},
{
"type": "WEB",
"url": "https://github.com/apache/tomcat/commit/8fafc6f263311b7a0b7ce67477822175d1adf7ce"
},
{
"type": "WEB",
"url": "https://github.com/apache/tomcat/commit/e43453fc04abb44f64faf571ca98af71aa3c20a1"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread.html/bl52b9go9ckoov8x4v3dt6rkm573cygd"
},
{
"type": "WEB",
"url": "https://tomcat.apache.org/security-10.html"
},
{
"type": "WEB",
"url": "https://tomcat.apache.org/security-11.html"
},
{
"type": "WEB",
"url": "https://tomcat.apache.org/security-9.html"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2026/10/20/26"
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