CVE-2026-28732
Slash command trigger-word update allowed command hijacking
Vexday Risk Score
13Bajo
Decisión SSVC (CISA)
Track
Sin señal de explotación → monitorear
CVSS 4.3EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado
Ciclo de vida
18 may 2026Publicada en NVD
Recomendación: Monitorear — sin señal de explotación por ahora.
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
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Productos afectados
Mattermost · Mattermost¿Quieres saber si tu infraestructura está expuesta a esto?
Hablar con TrueHacking →Referencias
https://mattermost.com/security-updates