Metrics
Affected Vendors & Products
| Source | ID | Title |
|---|---|---|
Github GHSA |
GHSA-fmqf-pmcm-8cx9 | Mattermost doesn't validate user channel membership when attaching Mattermost posts as comments to Jira issues |
Solution
Update Mattermost to versions 11.2.0, 11.1.1, 11.0.6, 10.12.4, 10.11.8 or higher.
Workaround
No workaround given by the vendor.
| Link | Providers |
|---|---|
| https://mattermost.com/security-updates |
|
Wed, 31 Dec 2025 19:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mattermost mattermost Server
|
|
| CPEs | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Mattermost mattermost Server
|
Mon, 29 Dec 2025 23:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mattermost
Mattermost mattermost |
|
| Vendors & Products |
Mattermost
Mattermost mattermost |
Wed, 24 Dec 2025 17:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Wed, 24 Dec 2025 08:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Unauthorized Read Access to Private Channel Posts via Mattermost Jira Plugin | |
| Weaknesses | CWE-863 | |
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: Mattermost
Published:
Updated: 2025-12-24T16:36:22.999Z
Reserved: 2025-11-27T18:02:05.323Z
Link: CVE-2025-13767
Updated: 2025-12-24T16:36:17.251Z
Status : Analyzed
Published: 2025-12-24T08:15:45.553
Modified: 2025-12-31T18:56:27.667
Link: CVE-2025-13767
No data.
OpenCVE Enrichment
Updated: 2025-12-29T22:34:40Z
Github GHSA