CVE-2026-48845
Estado: AplazadaMedia (6.5)—
In Roundcube Webmail 1.6.x between 1.6.14 and 1.6.16 and 1.7.x before 1.7.1, remote image blocking was not honored for URLs pointing to local/private destinations, which may lead to information disclosure or privilege escalation via a text/html email message.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- Puntuación base: 6.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.45%
- Percentil entre todas las CVEs puntuadas: 37
- Fecha de la puntuación: 6/10/2026
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-669
Referencias
- https://github.com/roundcube/roundcubemail/commit/7b52353653a67e6073b97d70eb94047132b78556
- https://github.com/roundcube/roundcubemail/commit/d82b8c6cd06c378eca6d647ccd548f4ff1c68659
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.16
- https://github.com/roundcube/roundcubemail/releases/tag/1.7.1
- https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-48845",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-48845",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2026-05-26T00:00:00+00:00"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "cve@mitre.org",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 6.5,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 2.5,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
{
"vendor": "Roundcube",
"product": "Webmail",
"versions": [
{
"status": "affected",
"version": "1.6.14",
"lessThan": "1.6.16",
"versionType": "semver"
},
{
"status": "affected",
"version": "1.7.0",
"lessThan": "1.7.1",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-05-25T20:16:37.027",
"references": [
{
"url": "https://github.com/roundcube/roundcubemail/commit/7b52353653a67e6073b97d70eb94047132b78556",
"source": "cve@mitre.org"
},
{
"url": "https://github.com/roundcube/roundcubemail/commit/d82b8c6cd06c378eca6d647ccd548f4ff1c68659",
"source": "cve@mitre.org"
},
{
"url": "https://github.com/roundcube/roundcubemail/releases/tag/1.6.16",
"source": "cve@mitre.org"
},
{
"url": "https://github.com/roundcube/roundcubemail/releases/tag/1.7.1",
"source": "cve@mitre.org"
},
{
"url": "https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1",
"source": "cve@mitre.org"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "cve@mitre.org",
"description": [
{
"lang": "en",
"value": "CWE-669"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In Roundcube Webmail 1.6.x between 1.6.14 and 1.6.16 and 1.7.x before 1.7.1, remote image blocking was not honored for URLs pointing to local/private destinations, which may lead to information disclosure or privilege escalation via a text/html email message."
},
{
"lang": "es",
"value": "En Roundcube Webmail 1.6.x entre 1.6.14 y 1.6.16 y 1.7.x antes de 1.7.1, el bloqueo remoto de imágenes no se respetaba para las URL que apuntaban a destinos locales/privados, lo que puede llevar a revelación de información o escalada de privilegios a través de un mensaje de correo electrónico text/html."
}
],
"lastModified": "2026-07-24T10:10:00.197",
"sourceIdentifier": "cve@mitre.org"
}