Threats Tagged 'cve-2026-63097'
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Threats Tagged 'cve-2026-63097'
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CVE-2026-63097: Incorrect Authorization in matrix-org dendriteCVE-2026-63097 0 Dendrite through 0.13.8 contains an improper access control vulnerability in the syncapi /context endpoint (syncapi/routing/context.go) that allows authenticated local users to access post-leave room state events by exploiting a flawed membership check that evaluates only the RoomExists field while ignoring IsInRoom, HasBeenInRoom, and Membership fields. Attackers who have left a room can call the rooms context API endpoint for a previously permitted event and receive unfiltered current room state that the /messages and /sync endpoints correctly withhold. Join the discussion | CVE Database V5 | 07/17/2026, 15:32:45 UTC Added: 07/18/2026, 11:08:56 UTC |
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