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{
"dataType": "CVE_RECORD",
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"cveMetadata": {
"cveId": "CVE-2026-101296",
"assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
"state": "PUBLISHED",
"assignerShortName": "apache",
"dateReserved": "2026-09-28T13:07:28.598Z",
"datePublished": "2026-10-20T13:45:39.959Z",
"dateUpdated": "2026-11-09T14:20:25.975Z"
},
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"dateUpdated": "2026-10-21T06:31:55.233Z"
},
"title": "Apache Tomcat: JNDIRealm bind credential validation fails open for non-GSSAPI SASL mechanisms",
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-304 Missing critical step in authentication",
"lang": "en",
"cweId": "CWE-304",
"type": "CWE"
}
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}
],
"source": {
"discovery": "EXTERNAL"
},
"affected": [
{
"vendor": "Apache Software Foundation",
"product": "Apache Tomcat",
"versions": [
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"version": "11.0.0-M1",
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"value": "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.",
"lang": "en",
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"value": "<p>A missing critical step in authentication vulnerability in Apache Tomcat when the JNDI realm was configured with with a non GSSAPI SASL authentication mechanism&nbsp;<span>allowed attackers to authenticate without providing the correct password.</span></p><p>This 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.</p><p><span>The following versions were EOL at the time the CVE was created but are known to be affected:</span><span>&nbsp;</span>from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109.&nbsp;<span>Other unsupported versions may also be affected.</span></p><p>Users are recommended to upgrade to version 11.0.27, 10.1.61 or 9.0.123, which fix the issue.</p>"
}
]
}
],
"references": [
{
"url": "https://lists.apache.org/thread.html/bl52b9go9ckoov8x4v3dt6rkm573cygd",
"tags": [
"vendor-advisory"
]
}
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"other": {
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"content": {
"text": "important"
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"scenarios": [
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"lang": "en",
"value": "GENERAL"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Sai Sreewathsa Kovalluri, Shon Babu, and Kannan K of Innspark Solutions Private Limited",
"type": "finder"
}
],
"x_generator": {
"engine": "Vulnogram 1.0.3"
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},
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"title": "CVE Program Container",
"references": [
{
"url": "http://www.openwall.com/lists/oss-security/2026/10/20/26"
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"shortName": "CVE",
"dateUpdated": "2026-10-20T18:09:50.320Z"
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"metrics": [
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"version": "4.0",
"baseScore": 9.1,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "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",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"privilegesRequired": "NONE",
"subIntegrityImpact": "NONE",
"vulnIntegrityImpact": "HIGH",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH"
}
},
{
"cvssV3_1": {
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"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
}
},
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-10-21T03:56:30.453469Z",
"id": "CVE-2026-101296",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
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"role": "CISA Coordinator",
"version": "2.0.3"
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],
"title": "CISA ADP Vulnrichment",
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