CVE-2026-18799Published
Mattermost Server fails to restrict Slack import account binding, allowing team admins to forge posts as existing users
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2026-18799 · Microsoft / collected KEV context
cve-program · CVE-2026-18799
Related operational evidence
Explicit CVE identifiersNo related operational record is retained in the current change model.