Medium severity6.3NVD Advisory· Published Aug 17, 2026· Updated Aug 17, 2026
CVE-2026-16048
CVE-2026-16048
Description
Mattermost versions 11.8.x <= 11.8.2, 11.7.x <= 11.7.6, 10.11.x <= 10.11.21 fail to restrict channel member role assignment to channel-scoped roles which allows a channel administrator to gain additional channel permissions via the channel member roles API.. Mattermost Advisory ID: MMSA-2026-00697
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <=11.8.2, <=11.7.6, <=10.11.21
Patches
Vulnerability mechanics
References
1News mentions
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