CVE-2026-10085

CVSS Score & Metrics

Base Score

5.4 / 10

Vector String

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

Vulnerability Description

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

Vulnerability Details

Published Date

July 13, 2026

Last Modified

July 13, 2026

CWE ID

CWE-862

Source

NVD

Vendor

Mattermost

Product

Mattermost

External References

https://mattermost.com/security-updates

CVSS Score & Metrics

Vulnerability Description

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