CVE-2026-28732
MEDIUM4.3EPSS 0.03%Mattermost doesn't enforce slash command trigger-word uniqueness during command updates
發布日:2026/5/18修改日:2026/6/1
描述
Mattermost 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
受影響套件(2)
- Go/github.com/mattermost/mattermost-serverfrom 0, < 5.3.2-0.20260306123948-f5fe8ded6b63
- Go/github.com/mattermost/mattermost/server/v8>= 11.5.0, < 11.5.2
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |