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vuln-cve/data/2026/7xxx/CVE-2026-7679.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-7679",
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"state": "PUBLISHED",
"assignerShortName": "VulDB",
"dateReserved": "2026-05-02T08:39:00.470Z",
"datePublished": "2026-05-03T04:15:10.929Z",
"dateUpdated": "2026-10-27T07:22:32.665Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB",
"dateUpdated": "2026-10-27T07:22:32.665Z"
},
"title": "YunaiV yudao-cloud OAuth2TokenServiceImpl.java getAccessToken improper authentication",
"problemTypes": [
{
"descriptions": [
{
"type": "CWE",
"cweId": "CWE-287",
"lang": "en",
"description": "Improper Authentication"
}
]
}
],
"affected": [
{
"vendor": "YunaiV",
"product": "yudao-cloud",
"versions": [
{
"version": "2026.01",
"status": "affected"
}
],
"cpes": [
"cpe:2.3:a:yunaiv:yudao-cloud:*:*:*:*:*:*:*:*"
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A security flaw has been discovered in YunaiV yudao-cloud up to 2026.01. This impacts the function getAccessToken of the file yudao-module-system-biz/src/main/java/io/github/ruoyi/common/oauth2/service/impl/OAuth2TokenServiceImpl.java. Performing a manipulation results in improper authentication. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor explains: \"[W]e intentionally retain the existing generic compatibility path that accepts a valid, unexpired stored refresh token when an access-token lookup is unavailable, for integrations such as reports and WebSocket. We are not introducing strict access-token-only verification, new revocation behavior or a separate trusted-entry API. This is a retained compatibility decision, not a claim that this behavior follows the standard OAuth separation or that every identity/revocation scenario has been eliminated.\""
}
],
"metrics": [
{
"cvssV4_0": {
"version": "4.0",
"baseScore": 6.9,
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
"baseSeverity": "MEDIUM"
}
},
{
"cvssV3_1": {
"version": "3.1",
"baseScore": 7.3,
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C",
"baseSeverity": "HIGH"
}
},
{
"cvssV3_0": {
"version": "3.0",
"baseScore": 7.3,
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C",
"baseSeverity": "HIGH"
}
},
{
"cvssV2_0": {
"version": "2.0",
"baseScore": 7.5,
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C"
}
}
],
"timeline": [
{
"time": "2026-05-02T00:00:00.000Z",
"lang": "en",
"value": "Advisory disclosed"
},
{
"time": "2026-05-02T02:00:00.000Z",
"lang": "en",
"value": "VulDB entry created"
},
{
"time": "2026-10-27T08:27:23.000Z",
"lang": "en",
"value": "VulDB entry last update"
}
],
"credits": [
{
"lang": "en",
"value": "9str0il (VulDB User)",
"type": "reporter"
},
{
"lang": "en",
"value": "VulDB CNA Team",
"type": "coordinator"
}
],
"references": [
{
"url": "https://vuldb.com/vuln/360832",
"name": "VDB-360832 | YunaiV yudao-cloud OAuth2TokenServiceImpl.java getAccessToken improper authentication",
"tags": [
"vdb-entry",
"technical-description"
]
},
{
"url": "https://vuldb.com/vuln/360832/cti",
"name": "VDB-360832 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
]
},
{
"url": "https://vuldb.com/cve/CVE-2026-7679",
"name": "CVE-2026-7679 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
]
},
{
"url": "https://vuldb.com/submit/800866",
"name": "Submit #800866 | YunaiV yudao-cloud up to 2026.01 Authentication Bypass by Primary Weakness",
"tags": [
"third-party-advisory"
]
},
{
"url": "https://github.com/9str0IL/CVE/issues/1",
"tags": [
"exploit",
"issue-tracking"
]
}
],
"x_generator": [
"VulDB PVTS v202610"
]
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-05-04T14:55:13.779067Z",
"id": "CVE-2026-7679",
"options": [
{
"Exploitation": "poc"
},
{
"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": "2026-05-04T14:55:27.068Z"
}
}
]
}
}