CVE-2026-19621Published
Mattermost leaks interactive-message integration secrets to non-admin users via post-deletion events and thread reads
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-2026-19621 · Microsoft / collected KEV context
cve-program · CVE-2026-19621
Related operational evidence
Explicit CVE identifiersNo related operational record is retained in the current change model.