CVE-2025-6226
6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
Mattermost versions 10.5.x <= 10.5.6, 10.8.x <= 10.8.1, 10.7.x <= 10.7.3, 9.11.x <= 9.11.16 fail to verify authorization when retrieving cached posts by PendingPostID which allows an authenticated user to read posts in private channels they don't have access to via guessing the PendingPostID of recently created posts.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Mattermost | Mattermost | 10.5.0 <= 10.5.6 | affected |
| Mattermost | Mattermost | 10.8.0 <= 10.8.1 | affected |
| Mattermost | Mattermost | 10.7.0 <= 10.7.3 | affected |
| Mattermost | Mattermost | 9.11.0 <= 9.11.16 | affected |
| Mattermost | Mattermost | 10.9.0 | unaffected |
| Mattermost | Mattermost | 10.5.8 | unaffected |
| Mattermost | Mattermost | 10.8.2 | unaffected |
| Mattermost | Mattermost | 10.7.4 | unaffected |
| Mattermost | Mattermost | 9.11.17 | unaffected |
Weaknesses
- CWE-306: CWE-306: Missing Authentication for Critical Function
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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