CVE-2026-6333 - CERT CVE
ID CVE-2026-6333
Sažetak Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13 fail to validate the Host header when constructing response URLs for custom slash commands which allows an authenticated attacker to redirect slash command responses to an attacker-controlled server via a spoofed Host header.. Mattermost Advisory ID: MMSA-2026-00582
Reference
CVSS
Base: 3.5
Impact: 1.4
Exploitability:1.8
Pristup
VektorSloženostAutentikacija
NETWORK HIGH LOW
Impact
PovjerljivostCjelovitostDostupnost
NONE LOW NONE
CVSS vektor CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N
Zadnje važnije ažuriranje 19-05-2026 - 17:51
Objavljeno 18-05-2026 - 09:16