CVE-2026-51583
Full vulnerability record from the local CVENow database.
Description
An issue in usememos through v0.30.0 allows a remote authenticated attacker to perform Server-Side Request Forgery (SSRF) via the Webhook validation mechanism in internal/webhook/validate.go, by setting a webhook target to an internal address.
Severity
HIGH
CVSS score
8.5
(v3.1)
Vulnerability status
Deferred
Source identifier
Published
2026-08-11 14:17:14.323000
Last modified
2026-10-24 16:10:00.153000
View original CVE JSON
{
"id": "CVE-2026-51583",
"sourceIdentifier": "[email protected]",
"published": "2026-08-11T14:17:14.323",
"lastModified": "2026-10-24T16:10:00.153",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An issue in usememos through v0.30.0 allows a remote authenticated attacker to perform Server-Side Request Forgery (SSRF) via the Webhook validation mechanism in internal/webhook/validate.go, by setting a webhook target to an internal address."
},
{
"lang": "es",
"value": "Un problema en usememos hasta la v0.30.0 permite a un atacante remoto autenticado realizar Falsificación de Petición del Lado del Servidor (SSRF) a través del mecanismo de validación de Webhook en internal/webhook/validate.go, al establecer un objetivo de webhook a una dirección interna."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"version": "n/a",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N",
"baseScore": 8.5,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "CHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "LOW",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 3.1,
"impactScore": 4.7
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-08-12T18:26:27.732485Z",
"id": "CVE-2026-51583",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-918"
}
]
}
],
"references": [
{
"url": "https://gist.github.com/seiyaibuki0523/d8af15eb555808319a2633269a9ebb80",
"source": "[email protected]"
},
{
"url": "https://github.com/usememos/memos",
"source": "[email protected]"
},
{
"url": "https://gist.github.com/seiyaibuki0523/d8af15eb555808319a2633269a9ebb80",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
]
}