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vuln-cve/data/2026/58xxx/CVE-2026-58066.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-58066",
"assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
"state": "PUBLISHED",
"assignerShortName": "hackerone",
"dateReserved": "2026-06-28T15:00:00.719Z",
"datePublished": "2026-07-30T06:03:45.178Z",
"dateUpdated": "2026-07-31T03:55:47.931Z"
},
"containers": {
"cna": {
"descriptions": [
{
"lang": "en",
"value": "Rocket.Chat's SAML SSO before versions 8.7.0, 8.6.1, 8.5.2, 8.4.5, 8.3.7, 8.2.7, 8.1.7, 8.0.8, and 7.10.14 verified XML signatures but did not bind the validated signature to samlp:Response / saml:Assertion. An attacker could submit a wrapped document carrying forged identity attributes alongside any valid signature made by the trusted IdP certificate, and log in as an arbitrary user."
}
],
"affected": [
{
"defaultStatus": "unaffected",
"vendor": "Rocket.Chat",
"product": "Rocket.Chat",
"versions": [
{
"version": "0",
"status": "affected",
"lessThan": "8.7.0",
"versionType": "semver"
},
{
"version": "0",
"status": "affected",
"lessThan": "8.6.1",
"versionType": "semver"
},
{
"version": "0",
"status": "affected",
"lessThan": "8.5.2",
"versionType": "semver"
},
{
"version": "0",
"status": "affected",
"lessThan": "8.4.5",
"versionType": "semver"
},
{
"version": "0",
"status": "affected",
"lessThan": "8.3.7",
"versionType": "semver"
},
{
"version": "0",
"status": "affected",
"lessThan": "8.2.7",
"versionType": "semver"
},
{
"version": "0",
"status": "affected",
"lessThan": "8.1.7",
"versionType": "semver"
},
{
"version": "0",
"status": "affected",
"lessThan": "8.0.8",
"versionType": "semver"
},
{
"version": "0",
"status": "affected",
"lessThan": "7.10.14",
"versionType": "semver"
}
]
}
],
"references": [
{
"url": "https://hackerone.com/reports/3827674"
},
{
"url": "https://github.com/RocketChat/Rocket.Chat/pull/41233"
}
],
"metrics": [
{
"cvssV3_0": {
"version": "3.0",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 9.8,
"baseSeverity": "CRITICAL"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"type": "CWE",
"lang": "en",
"cweId": "CWE-287",
"description": "CWE-287 Improper Authentication - Generic"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "jayden (0jayden)",
"type": "finder"
}
],
"providerMetadata": {
"orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
"shortName": "hackerone",
"dateUpdated": "2026-07-30T06:03:45.178Z"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-07-30T00:00:00+00:00",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3",
"id": "CVE-2026-58066"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-07-31T03:55:47.931Z"
}
}
]
}
}