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vuln-cve/data/2026/40xxx/CVE-2026-40351.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-40351",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-04-10T22:50:01.359Z",
"datePublished": "2026-04-17T21:05:05.911Z",
"dateUpdated": "2026-04-20T14:57:15.664Z"
},
"containers": {
"cna": {
"title": "FastGPT: NoSQL Injection in loginByPassword leads to Authentication Bypass",
"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": "HIGH",
"baseScore": 9.8,
"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:H",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/labring/FastGPT/security/advisories/GHSA-x8mx-2mr7-h9xg",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/labring/FastGPT/security/advisories/GHSA-x8mx-2mr7-h9xg"
},
{
"name": "https://github.com/labring/FastGPT/commit/bd966d479fbe414d02679cf79f9eaaab3d100a2d",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/labring/FastGPT/commit/bd966d479fbe414d02679cf79f9eaaab3d100a2d"
},
{
"name": "https://github.com/labring/FastGPT/releases/tag/v4.14.9.5",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/labring/FastGPT/releases/tag/v4.14.9.5"
}
],
"affected": [
{
"vendor": "labring",
"product": "FastGPT",
"versions": [
{
"version": "< 4.14.9.5",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-04-17T21:05:05.911Z"
},
"descriptions": [
{
"lang": "en",
"value": "FastGPT is an AI Agent building platform. In versions prior to 4.14.9.5, the password-based login endpoint uses TypeScript type assertion without runtime validation, allowing an unauthenticated attacker to pass a MongoDB query operator object (e.g., {\"$ne\": \"\"}) as the password field. This NoSQL injection bypasses the password check, enabling login as any user including the root administrator. This issue has been fixed in version 4.14.9.5."
}
],
"source": {
"advisory": "GHSA-x8mx-2mr7-h9xg",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-04-20T14:47:36.369173Z",
"id": "CVE-2026-40351",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-04-20T14:57:15.664Z"
}
}
]
}
}