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vuln-cve/data/2026/110xxx/CVE-2026-110720.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-110720",
"assignerOrgId": "67fedba0-ff2e-4543-ba5b-aa93e87718cc",
"state": "PUBLISHED",
"assignerShortName": "HashiCorp",
"dateReserved": "2026-10-14T14:44:47.621Z",
"datePublished": "2026-10-26T18:38:14.209Z",
"dateUpdated": "2026-10-26T19:38:28.240Z"
},
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"platforms": [
"64 bit",
"32 bit",
"x86",
"ARM",
"MacOS",
"Windows",
"Linux"
],
"product": "Tooling",
"repo": "https://github.com/hashicorp/consul-k8s",
"vendor": "HashiCorp",
"versions": [
{
"changes": [
{
"at": "1.8.18",
"status": "unaffected"
}
],
"lessThan": "2.0.4",
"status": "affected",
"version": "0.42.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "This issue was reported to HashiCorp by Elias Hasas (GitHub: zer0d4y5)."
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "<p>Consul-k8s versions 0.42.0 and later are vulnerable to a cross-namespace authorization bypass in component ACL binding rules that may allow an attacker to obtain elevated Consul privileges. This vulnerability (CVE-2026-110720) is fixed in consul-k8s 2.1.0 and 1.8.18.</p><br/>"
}
],
"value": "Consul-k8s versions 0.42.0 and later are vulnerable to a cross-namespace authorization bypass in component ACL binding rules that may allow an attacker to obtain elevated Consul privileges. This vulnerability (CVE-2026-110720) is fixed in consul-k8s 2.1.0 and 1.8.18."
}
],
"impacts": [
{
"capecId": "CAPEC-1",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-1: Accessing Functionality Not Properly Constrained by ACLs"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 9.9,
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-863",
"description": "CWE-863: Incorrect Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"orgId": "67fedba0-ff2e-4543-ba5b-aa93e87718cc",
"shortName": "HashiCorp",
"dateUpdated": "2026-10-26T18:38:14.209Z"
},
"references": [
{
"url": "https://discuss.hashicorp.com/t/hcsec-2026-50-consul-k8s-vulnerable-to-a-cross-namespace-authorization-bypass-in-component-acl-binding-rules/77915"
}
],
"source": {
"advisory": "HCSEC-2026-50",
"discovery": "EXTERNAL"
},
"title": "Consul-k8s vulnerable to a cross-namespace authorization bypass in component ACL binding rules"
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2026-110720",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"version": "2.0.3",
"timestamp": "2026-10-26T19:06:05.963836Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-10-26T19:38:28.240Z"
}
}
]
}
}