CVE-2026-93848 — Vulnerability intelligence
mattermost — mattermost server
Published:
- CVSS
- 2.7
- CISA KEV
- Not listed; not proof of no exploitation
Original source text (not a translation)
Mattermost versions 11.7.x <= 11.7.10 fail to apply outbound internal-connection filtering to the OpenID discovery endpoint request which allows a System Administrator to determine whether internal addresses and ports are reachable from the server via an unauthenticated login request that triggers the discovery fetch.. Mattermost Advisory ID: MMSA-2026-00774