CVE-2025-12559
4.3
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
Mattermost versions 11.0.x <= 11.0.2, 10.12.x <= 10.12.1, 10.11.x <= 10.11.4, 10.5.x <= 10.5.12 fail to sanitize team email addresses to be visible only to Team Admins, which allows any authenticated user to view team email addresses via the GET /api/v4/channels/{channel_id}/common_teams endpoint
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Mattermost | Mattermost | 11.0.0 <= 11.0.2 | affected |
| Mattermost | Mattermost | 10.12.0 <= 10.12.1 | affected |
| Mattermost | Mattermost | 10.11.0 <= 10.11.4 | affected |
| Mattermost | Mattermost | 10.5.0 <= 10.5.12 | affected |
| Mattermost | Mattermost | 11.1.0 | unaffected |
| Mattermost | Mattermost | 11.0.3 | unaffected |
| Mattermost | Mattermost | 10.12.2 | unaffected |
| Mattermost | Mattermost | 10.11.5 | unaffected |
| Mattermost | Mattermost | 10.5.13 | unaffected |
Weaknesses
- CWE-200: CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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