CVE-2026-40352 (GCVE-0-2026-40352)
Vulnerability from cvelistv5 – Published: 2026-04-17 21:09 – Updated: 2026-04-17 21:09
VLAI?
Title
FastGPT: NoSQL Injection in updatePasswordByOld Leads to Account Takeover
Summary
FastGPT is an AI Agent building platform. In versions prior to 4.14.9.5, the password change endpoint is vulnerable to NoSQL injection. An authenticated attacker can bypass the "old password" verification by injecting MongoDB query operators. This allows an attacker who has gained a low-privileged session to change the password of their account (or others if combined with ID manipulation) without knowing the current one, leading to full account takeover and persistence. This issue has been fixed in version 4.14.9.5.
Severity ?
8.8 (High)
CWE
- CWE-943 - Improper Neutralization of Special Elements in Data Query Logic
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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{
"containers": {
"cna": {
"affected": [
{
"product": "FastGPT",
"vendor": "labring",
"versions": [
{
"status": "affected",
"version": "\u003c 4.14.9.5"
}
]
}
],
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"value": "FastGPT is an AI Agent building platform. In versions prior to 4.14.9.5, the password change endpoint is vulnerable to NoSQL injection. An authenticated attacker can bypass the \"old password\" verification by injecting MongoDB query operators. This allows an attacker who has gained a low-privileged session to change the password of their account (or others if combined with ID manipulation) without knowing the current one, leading to full account takeover and persistence. This issue has been fixed in version 4.14.9.5."
}
],
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-943",
"description": "CWE-943: Improper Neutralization of Special Elements in Data Query Logic",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-04-17T21:09:32.913Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/labring/FastGPT/security/advisories/GHSA-422w-vrfj-72g6",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/labring/FastGPT/security/advisories/GHSA-422w-vrfj-72g6"
},
{
"name": "https://github.com/labring/FastGPT/commit/bd966d479fbe414d02679cf79f9eaaab3d100a2d",
"tags": [
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],
"url": "https://github.com/labring/FastGPT/commit/bd966d479fbe414d02679cf79f9eaaab3d100a2d"
},
{
"name": "https://github.com/labring/FastGPT/releases/tag/v4.14.9.5",
"tags": [
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"url": "https://github.com/labring/FastGPT/releases/tag/v4.14.9.5"
}
],
"source": {
"advisory": "GHSA-422w-vrfj-72g6",
"discovery": "UNKNOWN"
},
"title": "FastGPT: NoSQL Injection in updatePasswordByOld Leads to Account Takeover"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-40352",
"datePublished": "2026-04-17T21:09:32.913Z",
"dateReserved": "2026-04-10T22:50:01.359Z",
"dateUpdated": "2026-04-17T21:09:32.913Z",
"state": "PUBLISHED"
},
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"nvd": "{\"cve\":{\"id\":\"CVE-2026-40352\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2026-04-17T22:16:32.940\",\"lastModified\":\"2026-04-17T22:16:32.940\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"FastGPT is an AI Agent building platform. In versions prior to 4.14.9.5, the password change endpoint is vulnerable to NoSQL injection. An authenticated attacker can bypass the \\\"old password\\\" verification by injecting MongoDB query operators. This allows an attacker who has gained a low-privileged session to change the password of their account (or others if combined with ID manipulation) without knowing the current one, leading to full account takeover and persistence. This issue has been fixed in version 4.14.9.5.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-943\"}]}],\"references\":[{\"url\":\"https://github.com/labring/FastGPT/commit/bd966d479fbe414d02679cf79f9eaaab3d100a2d\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/labring/FastGPT/releases/tag/v4.14.9.5\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/labring/FastGPT/security/advisories/GHSA-422w-vrfj-72g6\",\"source\":\"security-advisories@github.com\"}]}}"
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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