CVE-2026-72545

Estado: AplazadaAlta (7.5)—

An insecure direct object reference vulnerability in OpenSignLabs OpenSign through 2.37.0 allows unauthenticated remote attackers to write to any contact record via the updatecontacttour Parse cloud function. The function performs no authentication or authorization before updating the target contact record. An attacker can corrupt or overwrite contact data for any user in the system without credentials.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Puntuación base: 7.5

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.54%
Percentil entre todas las CVEs puntuadas: 43
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.

ExplotaciónT1190 Exploit Public-Facing Applicationinitial access95 %
Impacto principalT1565.002 Transmitted Data Manipulationimpact90 %
Impacto secundarioT1078.001 Default Accountsstealth · persistence · privilege escalation · initial access70 %

AV:N/PR:N/UI:N + IDOR en función expuesta sin autenticación = T1190. Corrupción de datos de contacto (I:H) = T1565.002. Potencial acceso a credenciales en registros = T1078.001.

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

Vulnerability Scanning Privileged Account Management Password Policies Network Segmentation Multi-factor Authentication Limit Access to Resource Over Network

Tecnologías afectadas (1)

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

Opensignlabs — Opensign^AI

CWE

CWE-639

Referencias

https://github.com/OpenSignLabs/OpenSign

JSON original (NVD)

Mostrar

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          "options": [
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            {
              "automatable": "yes"
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              "technicalImpact": "partial"
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          "version": "2.0.3",
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  "published": "2026-08-11T12:17:39.987",
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  "lastModified": "2026-09-03T17:51:46.420",
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