CVE-2026-15754: Incorrect Authorization

Mattermost versions 11.7.x = 11.7.6, 11.8.x = 11.8.3 The access control policy unassign endpoint fails to re-validate that each target channel still belongs to the requesting admin's team, which allows an authenticated team administrator to remove ABAC attribute-based access control policy...

CVE-2026-45248 Hedera Guardian Authentication Bypass Information Disclosure

Hedera Guardian through 3.5.1 contains an authentication bypass vulnerability in the GET /api/v1/demo/registered-users endpoint that allows unauthenticated attackers to retrieve sensitive user information. Attackers can access the endpoint without providing authentication credentials to obtain...

CVE-2021-24017

An improper authentication in Fortinet FortiManager version 6.4.3 and below, 6.2.6 and below allows attacker to assign arbitrary Policy and Object modules via crafted requests to the request handler...