CVE-2026-48810
FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to 1.8.221, while investigating the ThreadPolicy::delete issue reported previously, the same missing mailbox membership check was found in the sibling ThreadPolicy::edit method. A user with the PERM_EDIT_CONVERSATIONS permission who created a message or internal note in Mailbox A can rewrite that thread's body after an administrator removes them from Mailbox A, because the policy checks only authorship and a global permission flag — not current mailbox membership. This vulnerability is fixed in 1.8.221.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- Puntuación base: 4.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.25%
- Percentil entre todas las CVEs puntuadas: 15
- Fecha de la puntuación: 5/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-285
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-48810",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-48810",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-06-01T18:00:40.817788Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "security-advisories@github.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 4.3,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
},
"impactScore": 1.4,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "security-advisories@github.com",
"affectedData": [
{
"vendor": "freescout-help-desk",
"product": "freescout",
"versions": [
{
"status": "affected",
"version": "< 1.8.221"
}
]
}
]
}
],
"published": "2026-05-29T20:16:29.083",
"references": [
{
"url": "https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-3w38-h42v-3h6w",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-3w38-h42v-3h6w",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "security-advisories@github.com",
"description": [
{
"lang": "en",
"value": "CWE-285"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to 1.8.221, while investigating the ThreadPolicy::delete issue reported previously, the same missing mailbox membership check was found in the sibling ThreadPolicy::edit method. A user with the PERM_EDIT_CONVERSATIONS permission who created a message or internal note in Mailbox A can rewrite that thread's body after an administrator removes them from Mailbox A, because the policy checks only authorship and a global permission flag — not current mailbox membership. This vulnerability is fixed in 1.8.221."
},
{
"lang": "es",
"value": "FreeScout es una mesa de ayuda gratuita y una bandeja de entrada compartida construida con el framework Laravel de PHP. Antes de la versión 1.8.221, mientras se investigaba el problema de ThreadPolicy::delete reportado previamente, se encontró la misma falta de verificación de membresía de buzón en el método hermano ThreadPolicy::edit. Un usuario con el permiso PERM_EDIT_CONVERSATIONS que creó un mensaje o una nota interna en el Buzón A puede reescribir el cuerpo de ese hilo después de que un administrador lo elimine del Buzón A, porque la política verifica solo la autoría y un indicador de permiso global - no la membresía actual del buzón. Esta vulnerabilidad está corregida en la versión 1.8.221."
}
],
"lastModified": "2026-07-22T06:10:00.170",
"sourceIdentifier": "security-advisories@github.com"
}