CVE-2026-10085mediumCWE-862

Ordinary group/direct message member can enable group_constrained and remove all channel participants

13Vexday Risk Score

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

ssvc Trackcvss 5.4epss 0.2%

probabilidade de exploração

0.2%top 93% das CVEs

exploração observada

nãonenhuma fonte reporta

Mattermost versions 11.7.x <= 11.7.2, 11.6.x <= 11.6.4, 10.11.x <= 10.11.19 fail to restrict the group_constrained channel flag to public and private channels that support group synchronization, which allows an ordinary group or direct message member to remove all participants from the conversation via the channel patch API.. Mattermost Advisory ID: MMSA-2026-00688

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

Produtos afetados

Mattermost · Mattermost

Referências

https://mattermost.com/security-updates