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CVE-2024-24776

4.3 mediumEPSS 0.3%

Medium (4.3) in mattermost mattermost server. EPSS 0.3% chance of exploitation in the next 30 days. Fixed in github.com/mattermost/mattermost/server/v8 8.1.8, 9.3.0.

Mattermost fails to check the required permissions in the POST /api/v4/channels/stats/member_count API resulting in channel member counts being leaked to a user without permissions.

Severity

CVSS 3.1

4.3 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS
0.3% chance of exploitation in the next 30 days; higher than 24% of CVEs (scores of 2026-10-31)
CWE
CWE-284
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-r833-w756-h5p2Gogithub.com/mattermost/mattermost/server/v8<8.1.88.1.8
GHSA-r833-w756-h5p2Gogithub.com/mattermost/mattermost/server/v8>=9.0.0 <9.3.09.3.0
GO-2024-2566Gogithub.com/mattermost/mattermost-server>=9.0.0+incompatible <9.3.0+incompatible9.3.0+incompatible
GO-2024-2566Gogithub.com/mattermost/mattermost-server/v5all versionsno fix published
GO-2024-2566Gogithub.com/mattermost/mattermost-server/v6all versionsno fix published
GO-2024-2566Gogithub.com/mattermost/mattermost/server/v8all versionsno fix published

References

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