What’s Vulnerable › Vulnerabilities
CVE-2023-3584: Member can create team with team override scheme
- Severity: low (CVSS 3.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2023-07-17 · updated 2026-06-17
- Weakness: CWE-863
Description
Mattermost fails to properly check the authorization of POST /api/v4/teams when passing a team override scheme ID in the request, allowing an authenticated attacker with knowledge of a Team Override Scheme ID to create a new team with said team override scheme.
Affected products
- Mattermost: from 7.8.0 before 7.8.5; from 7.10.0 before 7.10.3 — fixed in 7.10.3, 7.8.5
How to fix
Upgrade to a fixed version: Mattermost 7.10.3, 7.8.5. Check the vendor advisory for mitigations.
References
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