CVE-2026-78425
Authorised users of outside applications behind the same corporate identity provider (IdP), for example, a wiki, a ticketing system, an expenses tool, or anything they legitimately hold an account on can log into their system via SAML SSO. The IdP issues an assertion to them. If that assertion is presented to NeuVector, NeuVector accepts it because the only thing distinguishing "an assertion for NeuVector" from "an assertion for the wiki" is the element, and the `NotInAudience` warning that reports the mismatch is never read.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:L/SI:L/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: 7.6
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.36%
- Percentil entre todas las CVEs puntuadas: 28
- 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).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1210Exploitation of Remote Serviceslateral movement75 % - Impacto principal
T1078Valid Accountsstealth · persistence · privilege escalation · initial access85 % - Impacto secundario
T1556Modify Authentication Processdefense impairment · persistence · credential access70 %
SAML SSO permite a usuarios autorizados en otros servicios acceder a NeuVector explotando validación deficiente de audiencia (CWE-287). Sin autenticación adicional, se logra acceso no autorizado mediante asserción SAML de otro IdP.
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-287
Referencias
JSON original (NVD)
Mostrar
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"role": "CISA Coordinator",
"options": [
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"exploitation": "none"
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"timestamp": "2026-09-17T12:12:10.344911Z"
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"affected": [
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"published": "2026-09-17T10:17:02.427",
"references": [
{
"url": "https://bugzilla.suse.com/show_bug.cgi?id=CVE-2026-78425",
"source": "meissner@suse.de"
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{
"url": "https://github.com/neuvector/neuvector/security/advisories/GHSA-wgg5-24xq-px35",
"source": "meissner@suse.de"
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"value": "Authorised users of outside applications behind the same corporate identity provider (IdP), for example, a wiki, a ticketing system, an expenses tool, or anything they legitimately hold an account on can log into their system via SAML SSO. The IdP issues an assertion to them. If that assertion is presented to NeuVector, NeuVector accepts it because the only thing distinguishing \"an assertion for NeuVector\" from \"an assertion for the wiki\" is the element, and the `NotInAudience` warning that reports the mismatch is never read."
}
],
"lastModified": "2026-09-28T13:17:22.317",
"sourceIdentifier": "meissner@suse.de"
}