CVE-2026-19076Published
Mattermost fails to reject OAuth application sessions in account type switch, allowing account takeover via bearer token
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-2026-19076 · Microsoft / collected KEV context
cve-program · CVE-2026-19076
Related operational evidence
Explicit CVE identifiersNo related operational record is retained in the current change model.