Metrics
Affected Vendors & Products
No advisories yet.
Solution
Update Mattermost to versions 11.10.0, 11.9.1, 11.8.5, 11.7.8, 10.11.23 or higher.
Workaround
No workaround given by the vendor.
| Link | Providers |
|---|---|
| https://mattermost.com/security-updates |
|
Mon, 14 Sep 2026 12:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Mon, 14 Sep 2026 11:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mattermost
Mattermost mattermost |
|
| Vendors & Products |
Mattermost
Mattermost mattermost |
Mon, 14 Sep 2026 10:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Mattermost versions 11.9.x <= 11.9.0, 11.8.x <= 11.8.4, 11.7.x <= 11.7.7, 10.11.x <= 10.11.22 fail to limit the amount of memory allocated when decoding uploaded image files which allows an authenticated user to cause excessive server memory consumption and potential denial of service via uploading a specially crafted image as a profile picture, channel file attachment, team icon, or custom brand image. Mattermost Advisory ID: MMSA-2026-00719 | |
| Title | Uploading a crafted image causes excessive memory allocation in the Mattermost Server | |
| Weaknesses | CWE-409 | |
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: Mattermost
Published:
Updated: 2026-09-14T11:19:45.210Z
Reserved: 2026-07-15T10:53:51.646Z
Link: CVE-2026-15814
Updated: 2026-09-14T11:13:35.352Z
Status : Received
Published: 2026-09-14T11:17:03.697
Modified: 2026-09-14T12:17:38.347
Link: CVE-2026-15814
No data.
OpenCVE Enrichment
Updated: 2026-09-14T11:30:08Z