CVE-2026-38526

Estado: AplazadaCrítica (9.9)—

An authenticated arbitrary file upload vulnerability in the /admin/tinymce/upload endpoint of Webkul Krayin CRM v2.2.x allows attackers to execute arbitrary code via uploading a crafted PHP file.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Puntuación base: 9.9

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 2.35%
Percentil entre todas las CVEs puntuadas: 83
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.

ExplotaciónT1210 Exploitation of Remote Serviceslateral movement75 %
Impacto principalT1505.003 Web Shellpersistence85 %
Impacto secundarioT1059 Command and Scripting Interpreterexecution80 %

Acceso autenticado en red (PR:L sin UI:R) a endpoint remoto; carga de PHP genera web shell (T1505.003) y ejecución de código arbitrario (T1059).

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

Disable or Remove Feature or Program Privileged Account Management Vulnerability Scanning User Account Management Threat Intelligence Program Restrict Web-Based Content

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Webkul — Krayin CRM^AI

CWE

CWE-434

Referencias

JSON original (NVD)

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          "options": [
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          "timestamp": "2026-04-14T17:50:50.798877Z"
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  "published": "2026-04-14T16:16:43.127",
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  "lastModified": "2026-06-17T10:41:42.487",
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