CVE-2026-9812mediumCWE-639

Missing property field ownership validation in Playbooks run property update endpoint

13Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 6.5epss 0.2%

probabilidad de explotación

0.2%top 88% de las CVE

explotación observada

noninguna fuente lo reporta

Mattermost versions 11.9.x <= 11.9.0, 11.8.x <= 11.8.4, 11.7.x <= 11.7.7, 10.11.x <= 10.11.22 fail to validate that a property field belongs to the specified run before updating its value which allows an authenticated user with run property-management access to crash the Playbooks plugin via a REST request referencing a property field that belongs to a different run. Mattermost Advisory ID: MMSA-2026-00684

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

Productos afectados

Mattermost · Mattermost

Referencias

https://mattermost.com/security-updates