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vuln-cve/data/2026/45xxx/CVE-2026-45689.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-45689",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-05-13T04:38:01.164Z",
"datePublished": "2026-06-24T20:57:32.281Z",
"dateUpdated": "2026-11-03T22:13:25.239Z"
},
"containers": {
"cna": {
"title": "Rocket.Chat: Pre-Auth NoSQL Injection in OAuth2 Token Endpoint leading to Arbitrary User ATO",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-943",
"lang": "en",
"description": "CWE-943: Improper Neutralization of Special Elements in Data Query Logic",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 9.1,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-8p25-fm45-pjrw",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-8p25-fm45-pjrw"
}
],
"affected": [
{
"vendor": "RocketChat",
"product": "Rocket.Chat",
"versions": [
{
"version": ">= 8.5.0-rc.0, < 8.5.0",
"status": "affected"
},
{
"version": ">= 8.4.0-rc.0, < 8.4.1",
"status": "affected"
},
{
"version": ">= 8.3.0-rc.0, < 8.3.3",
"status": "affected"
},
{
"version": ">= 8.2.0-rc.0, < 8.2.3",
"status": "affected"
},
{
"version": ">= 8.1.0-rc.0, < 8.1.4",
"status": "affected"
},
{
"version": ">= 8.0.0-rc.0, < 8.0.5",
"status": "affected"
},
{
"version": ">= 7.11.0-rc.0, < 7.13.7",
"status": "affected"
},
{
"version": "< 7.10.11",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-06-24T20:57:32.281Z"
},
"descriptions": [
{
"lang": "en",
"value": "Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.0, 8.4.1, 8.3.3, 8.2.3, 8.1.4, 8.0.5, 7.13.7, and 7.10.11, an unauthenticated network attacker obtains a valid Rocket.Chat OAuth access token for an arbitrary user by sending a single HTTP POST with MongoDB query operators to /oauth/token. The Rocket.Chat OAuth2 server does not validate that grant parameters are strings before forwarding them to findOne({...}) against the oauth_apps and oauth_access_tokens collections, so an attacker substitutes {\"$ne\": null} for client_id, client_secret, and refresh_token and receives a freshly minted {access_token, refresh_token} pair bound to whichever user's refresh token Mongo returned first. The resulting access token is a first-class bearer credential against the full /api/v1/* surface as that user. By iterating with $nin / $regex operators the attacker walks the entire oauth_access_tokens collection, collecting one fresh access token per user per request. If any matched token belongs to an admin, the stolen bearer gives full admin API access (including Apps-Engine app installation, i.e. server-side code execution). No account, credentials, userId, or prior interaction with the instance are required. This vulnerability is fixed in 8.5.0, 8.4.1, 8.3.3, 8.2.3, 8.1.4, 8.0.5, 7.13.7, and 7.10.11."
}
],
"source": {
"advisory": "GHSA-8p25-fm45-pjrw",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2026-45689",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"version": "2.0.3",
"timestamp": "2026-06-26T03:55:35.841877Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-11-03T22:13:25.239Z"
}
}
]
}
}