What’s Vulnerable › Vulnerabilities
CVE-2024-24776: Incorrect Authorization leads to Channel Member Count Leak
- Severity: medium (CVSS 4.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2024-02-09 · updated 2026-06-17
- Weakness: CWE-284
Description
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.
Affected products
- Mattermost: through 8.1.7
References
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