Threats Tagged 'cve-2026-15754'
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Threats Tagged 'cve-2026-15754'
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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… (CVE-2026-15754)CVE-2026-15754 0 Mattermost versions 11.7.x up to 11.7.6 and 11.8.x up to 11.8.3 contain a vulnerability in the access control policy unassign endpoint. This endpoint does not properly re-validate that each target channel still belongs to the requesting admin's team, allowing an authenticated team administrator to remove attribute-based access control (ABAC) policy assignments from channels outside their team after those channels have been moved to another team. The vulnerability has a CVSS 3.1 score of 4.2, indicating medium severity. Join the discussion | GCVE Database | 08/17/2026, 15:30:40 UTC Added: 08/17/2026, 16:13:54 UTC |
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