CVE-2026-6517
Mattermost Mattermost, mattermost desktop 취약점
Mattermost Desktop App versions <=6.1 5.5.13.0 fail to restrict the allow list of domains to which NTLM credentials were forwarded to in the Mattermost Desktop App which allows any user on a server without the image proxy enabled to intercept other users credentials via embedding an image that routes to an external web server. Mattermost Advisory ID: MMSA-2026-00651
- 대응 우선순위
- 점검
- CVSS
- 7.7
- EPSS
- 0.19% 백분위 8.43% · 2026.07.15 기준
- CISA KEV
- 미등록
- 조치 기한
- -
- 공개일
- 2026.06.15