CVE-2026-28732 Detail
Received
This CVE record has recently been published to the CVE List and has been included within the NVD dataset. DescriptionMattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13, 11.4.x <= 11.4.3 Fail to enforce slash command trigger-word uniqueness during command updates which allows an authenticated team member with Manage Own Slash Commands permission to hijack and impersonate existing system or custom slash commands via editing their own slash command trigger to an already-registered trigger through the command update API. Mattermost Advisory ID: MMSA-2026-00597 Metrics
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CVSS 4.0 Severity and Vector Strings:
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Weakness Enumeration
Quick InfoCVE Dictionary Entry:CVE-2026-28732 NVD Published Date: 05/18/2026 NVD Last Modified: 05/18/2026 Source: Mattermost, Inc. |
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