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Vendor Solution
Update Mattermost to versions 11.11.0, 11.7.11 or higher.
Tracking
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No advisories yet.
| Link | Providers |
|---|---|
| https://mattermost.com/security-updates |
|
Mon, 26 Oct 2026 17:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mattermost
Mattermost mattermost |
|
| Vendors & Products |
Mattermost
Mattermost mattermost |
Mon, 26 Oct 2026 17:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Mon, 26 Oct 2026 15:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Mattermost versions 11.7.x <= 11.7.10 fail to apply outbound internal-connection filtering to the OpenID discovery endpoint request which allows a System Administrator to determine whether internal addresses and ports are reachable from the server via an unauthenticated login request that triggers the discovery fetch.. Mattermost Advisory ID: MMSA-2026-00774 | |
| Title | Mattermost OpenID discovery endpoint request bypasses outbound connection filtering, allowing SSRF by a System Administrator | |
| Weaknesses | CWE-918 | |
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: Mattermost
Published:
Updated: 2026-10-26T16:46:45.446Z
Reserved: 2026-09-18T18:39:08.557Z
Link: CVE-2026-93848
Updated: 2026-10-26T16:40:37.383Z
Status : Awaiting Analysis
Published: 2026-10-26T15:16:46.240
Modified: 2026-10-26T17:17:31.133
Link: CVE-2026-93848
No data.
OpenCVE Enrichment
Updated: 2026-10-26T17:30:15Z
