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Vendor Solution
Update Mattermost to versions 11.8.0, 11.7.3, 11.6.5 or higher.
Tracking
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No advisories yet.
| Link | Providers |
|---|---|
| https://mattermost.com/security-updates |
|
Mon, 13 Jul 2026 14:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Mon, 13 Jul 2026 09:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mattermost
Mattermost mattermost |
|
| Vendors & Products |
Mattermost
Mattermost mattermost |
Mon, 13 Jul 2026 08:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Mattermost versions 11.7.x <= 11.7.2, 11.6.x <= 11.6.4 fail to verify whether a guest account is deactivated before creating a session in the magic-link token login path, which allows a deactivated guest user to obtain a fully functional session via a magic-link token issued prior to deactivation.. Mattermost Advisory ID: MMSA-2026-00681 | |
| Title | Deactivated guest accounts can authenticate via magic-link token in Mattermost REST API login endpoint | |
| Weaknesses | CWE-305 | |
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: Mattermost
Published:
Updated: 2026-07-13T13:55:15.448Z
Reserved: 2026-05-26T15:15:14.343Z
Link: CVE-2026-9597
Updated: 2026-07-13T13:55:11.951Z
No data.
No data.
OpenCVE Enrichment
Updated: 2026-07-13T17:30:04Z