CVE-2026-1436

MEDIUM

6.5

Descripcion

Improper Access Control (IDOR) in the Graylog API, version 2.2.3, which occurs when modifying the user ID in the URL. An authenticated user can access other user's profiles without proper authorization checks. Exploiting this vulnerability allows valid users of the system to be listed and sensitive third-party information to be accessed, such as names, email addresses, internal identifiers, and last activity. The endpoint 'http://<IP>:12900/users/<my_user>' does not implement object-level authorization validations.

Detalles CVE

Puntuacion CVSS v3.16.5

SeveridadMEDIUM

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosLOW

Interaccion usuarioNONE

Publicado2/18/2026

Ultima modificacion2/18/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

graylog:graylog

Debilidades (CWE)

CWE-639

Referencias

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-graylog(cve-coordination@incibe.es)

Correlaciones IOC

Sin correlaciones registradas

This product uses data from the NVD API but is not endorsed or certified by the NVD.