CVE-2026-9812mediumCWE-639

Missing property field ownership validation in Playbooks run property update endpoint

13Vexday Risk Score

Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.

ssvc Trackcvss 6.5epss 0.2%

probabilidade de exploração

0.2%top 88% das CVEs

exploração observada

nãonenhuma fonte 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

Produtos afetados

Mattermost · Mattermost

Referências

https://mattermost.com/security-updates