CVE-2026-72597
Full vulnerability record from the local CVENow database.
Description
A server-side request forgery vulnerability in Friendica through the 2026.08-dev branch allows authenticated users with a free self-registered account to probe internal network services via the link-preview endpoint. The endpoint fetches any user-supplied URL without applying an internal IP deny list. An attacker can use this to scan the internal network or access cloud metadata services.
Severity
MEDIUM
CVSS score
6.5
(v3.1)
Vulnerability status
Deferred
Source identifier
309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
Published
2026-08-11 12:17:42.663000
Last modified
2026-10-24 15:10:00.190000
View original CVE JSON
{
"id": "CVE-2026-72597",
"sourceIdentifier": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
"published": "2026-08-11T12:17:42.663",
"lastModified": "2026-10-24T15:10:00.190",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A server-side request forgery vulnerability in Friendica through the 2026.08-dev branch allows authenticated users with a free self-registered account to probe internal network services via the link-preview endpoint. The endpoint fetches any user-supplied URL without applying an internal IP deny list. An attacker can use this to scan the internal network or access cloud metadata services."
},
{
"lang": "es",
"value": "Una vulnerabilidad de falsificación de petición del lado del servidor en Friendica a través de la rama 2026.08-dev permite a usuarios autenticados con una cuenta gratuita autorregistrada sondear servicios de red internos a través del endpoint link-preview. El endpoint recupera cualquier URL proporcionada por el usuario sin aplicar una lista de denegación de IP interna. Un atacante puede usar esto para escanear la red interna o acceder a servicios de metadatos en la nube."
}
],
"affected": [
{
"source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
"affectedData": [
{
"vendor": "Friendica",
"product": "Friendica",
"versions": [
{
"version": "0",
"lessThanOrEqual": "2026.08-dev",
"versionType": "custom",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-08-11T12:14:06.344377Z",
"id": "CVE-2026-72597",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-918"
}
]
}
],
"references": [
{
"url": "https://github.com/friendica/friendica",
"source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c"
}
]
}