CVE-2025-13767
Published: Dec 24, 2025
Modified: Dec 24, 2025
CVSS v3.1
4.3
Description
Mattermost versions 11.1.x <= 11.1.0, 11.0.x <= 11.0.5, 10.12.x <= 10.12.3, 10.11.x <= 10.11.7 fails to validate user channel membership when attaching Mattermost posts as comments to Jira issues, which allows an authenticated attacker with access to the Jira plugin to read post content and attachments from channels they do not have access to.
| Vendor | Product | Versions |
|---|---|---|
Mattermost | Mattermost | affected 11.1.0 - <= 11.1.0affected 11.0.0 - <= 11.0.5affected 10.12.0 - <= 10.12.3affected 10.11.0 - <= 10.11.7unaffected 11.2.0+4 more versions |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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