CVE-2026-54220
uBB.threads is vulnerable to a Cross-Site Request Forgery (CSRF) due to a lack of protective mechanisms. This allows an attacker to trick an authenticated user into executing unintended actions.
Because vendor contact attempts were unsuccessful, the vulnerability has only been confirmed in version 7.7.5 but may also affect other versions.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Puntuación base: 8.6
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.22%
- Percentil entre todas las CVEs puntuadas: 12
- 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).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1189Drive-by Compromiseinitial access85 % - Impacto principal
T1583.006Web Servicesresource development75 % - Impacto secundario
T1565.002Transmitted Data Manipulationimpact70 %
CWE-352 (CSRF) requiere UI:A (interacción del usuario autenticado); vector de red sin privilegios. T1189 (drive-by) aplica a CSRF. Impactos: phishing/compromiso de sitio web (T1583.006) y manipulación de datos (T1565.002).
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-352
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-54220",
"cveTags": [],
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"id": "CVE-2026-54220",
"role": "CISA Coordinator",
"options": [
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"exploitation": "none"
},
{
"automatable": "no"
},
{
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"version": "2.0.3",
"timestamp": "2026-06-18T13:30:24.564433Z"
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"exploitMaturity": "NOT_DEFINED",
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"vulnIntegrityImpact": "HIGH",
"integrityRequirement": "NOT_DEFINED",
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"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "LOW",
"availabilityRequirement": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
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"modifiedPrivilegesRequired": "NOT_DEFINED",
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"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
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"modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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"affected": [
{
"source": "cvd@cert.pl",
"affectedData": [
{
"vendor": "UBB Systems",
"product": "UBB.threads",
"versions": [
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"version": "0",
"versionType": "semver",
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"published": "2026-06-18T14:17:30.530",
"references": [
{
"url": "https://cert.pl/en/posts/2026/06/CVE-2026-54219",
"source": "cvd@cert.pl"
},
{
"url": "https://www.ubbcentral.com/",
"source": "cvd@cert.pl"
}
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"vulnStatus": "Deferred",
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"type": "Primary",
"source": "cvd@cert.pl",
"description": [
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}
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"descriptions": [
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"lang": "en",
"value": "uBB.threads is vulnerable to a Cross-Site Request Forgery (CSRF) due to a lack of protective mechanisms. This allows an attacker to trick an authenticated user into executing unintended actions.\n\nBecause vendor contact attempts were unsuccessful, the vulnerability has only been confirmed in version 7.7.5 but may also affect other versions."
}
],
"lastModified": "2026-06-18T18:05:54.947",
"sourceIdentifier": "cvd@cert.pl"
}