EUVD-2026-30753Published
Mattermost versions 11.5.x <= 11.5.1 fail to verify channel membership when processing AI-assisted message rewrites which allows an authenticated attacker to read the content of threads in private channels and direct messages they do not ha…
Exact source revision recorded 5 Nov 2026 10:45:25 UTC. It does not establish the source's current position. Latest evidence.
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CVE-2026-5163 · Microsoft / collected KEV context
euvd · EUVD-2026-30753
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