CVE-2026-4273Published
Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13 fail to validate that the RefreshedToken differs from the original invite token during remote cluster invite confirmation which allows an authenticated attacker to bypass token rotat…
Exact source revision recorded 25 Oct 2026 10:17:15 UTC. It does not establish the source's current position. Latest evidence.
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-2026-4273 · Microsoft / collected KEV context
nvd · CVE-2026-4273
Current operational correlations are not mixed into this historical source record. Open latest evidence to discover current connections.