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vuln-cve/data/2026/55xxx/CVE-2026-55955.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-55955",
"assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
"state": "PUBLISHED",
"assignerShortName": "apache",
"dateReserved": "2026-06-17T18:04:49.663Z",
"datePublished": "2026-06-29T20:44:39.779Z",
"dateUpdated": "2026-06-30T13:22:14.917Z"
},
"containers": {
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"defaultStatus": "unaffected",
"product": "Apache Tomcat",
"vendor": "Apache Software Foundation",
"versions": [
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"lessThanOrEqual": "11.0.22",
"status": "affected",
"version": "11.0.0-M1",
"versionType": "semver"
},
{
"lessThanOrEqual": "10.1.55",
"status": "affected",
"version": "10.1.0-M1",
"versionType": "semver"
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{
"lessThanOrEqual": "9.0.118",
"status": "affected",
"version": "9.0.13",
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"status": "affected",
"version": "8.5.38",
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{
"lessThanOrEqual": "7.0.109",
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}
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"value": "<p>Improper Authentication vulnerability in Apache Tomcat allowed a replay attack against the EncryptionInterceptor in the cluster component.</p><p>This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.13 through 9.0.18, from 8.5.38 through 8.5.100, from 7.0.100 through 7.0.109.</p><p>Users are recommended to upgrade to version 11.0.23, 10.1.56, 9.0.119, which fixes the issue.</p>"
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}
],
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"content": {
"text": "low"
},
"type": "Textual description of severity"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-287",
"description": "CWE-287 Improper Authentication",
"lang": "en",
"type": "CWE"
}
]
}
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"shortName": "apache",
"dateUpdated": "2026-06-29T20:44:39.779Z"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://lists.apache.org/thread/g4p5sf45p3f9r011pwqs9r54yd64s106"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Apache Tomcat: EncryptInterceptor not protected against replay attacks",
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
},
"adp": [
{
"title": "CVE Program Container",
"references": [
{
"url": "http://www.openwall.com/lists/oss-security/2026/06/29/24"
}
],
"providerMetadata": {
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE",
"dateUpdated": "2026-06-29T22:24:33.117Z"
}
},
{
"metrics": [
{
"cvssV3_1": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 6.5,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
}
},
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-06-30T13:21:53.082121Z",
"id": "CVE-2026-55955",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-06-30T13:22:14.917Z"
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}