CVE-2025-10545
3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
Mattermost versions 10.5.x <= 10.5.10, 10.11.x <= 10.11.2 fail to properly validate guest user permissions when adding channel members which allows guest users to add any team members to their private channels via the /api/v4/channels/{channel_id}/members endpoint
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Mattermost | Mattermost | 10.5.0 <= 10.5.10 | affected |
| Mattermost | Mattermost | 10.11.0 <= 10.11.2 | affected |
| Mattermost | Mattermost | 10.12.0 | unaffected |
| Mattermost | Mattermost | 10.5.11 | unaffected |
| Mattermost | Mattermost | 10.11.3 | unaffected |
Weaknesses
- CWE-863: CWE-863: Incorrect Authorization
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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