CVE-2026-24692

published 2026-03-16

CVE-2026-24692: Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 fail to properly enforce read permissions in search API endpoints which allows…

Priority P4 23 medium 4.3 CVSS 3.1

AV N AC L PR L UI N S U C L I N A N

Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 fail to properly enforce read permissions in search API endpoints which allows guest users without read permissions to access posts and files in channels via search API requests. Mattermost Advisory ID: MMSA-2025-00554

Affected

14 ranges

Vendor	Product	Version range	Fixed in
github.com	mattermost_mattermost-server	>= 0 < 5.3.2-0.20260107142155-0481bd1fb045	5.3.2-0.20260107142155-0481bd1fb045
github.com	mattermost_mattermost-server	>= 10.11.0-rc1 < 10.11.11	10.11.11
github.com	mattermost_mattermost-server	>= 10.11.0-rc1+incompatible < 10.11.11+incompatible	10.11.11+incompatible
github.com	mattermost_mattermost-server	>= 11.2.0-rc1 < 11.2.3	11.2.3
github.com	mattermost_mattermost-server	>= 11.2.0-rc1+incompatible < 11.2.3+incompatible	11.2.3+incompatible
github.com	mattermost_mattermost-server	>= 11.3.0-rc1 < 11.3.1	11.3.1
github.com	mattermost_mattermost-server	>= 11.3.0-rc1+incompatible < 11.3.1+incompatible	11.3.1+incompatible
github.com	mattermost_mattermost_server_v8	>= 0 < 8.0.0-20260107142155-0481bd1fb045	8.0.0-20260107142155-0481bd1fb045
mattermost	mattermost	10.11.0 – 10.11.10	—
mattermost	mattermost	11.2.0 – 11.2.2	—
mattermost	mattermost	11.3.0 – 11.3.0	—
mattermost	mattermost_server	>= 10.11.0 < 10.11.11	10.11.11
mattermost	mattermost_server	>= 11.2.0 < 11.2.3	11.2.3
mattermost	mattermost_server	>= 11.3.0 < 11.3.1	11.3.1

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