CVE-2025-9084
LOW3.1EPSS 0.04%Mattermost Open Redirect vulnerability in github.com/mattermost/mattermost-server
Published: 9/15/2025Modified: 3/3/2026
Description
Mattermost Open Redirect vulnerability in github.com/mattermost/mattermost-server. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: github.com/mattermost/mattermost/server/v8 before v8.0.0-202508080704-39bd251fe4f600.
Affected packages (6)
- Go/github.com/mattermost/mattermost-server>= 10.5.0, < 10.5.10
- Go/github.com/mattermost/mattermost-server>= 10.5.0+incompatible, < 10.5.10+incompatible
- Go/github.com/mattermost/mattermost-server/v5from 0
- Go/github.com/mattermost/mattermost-server/v6from 0
- Go/github.com/mattermost/mattermost/server/v8from 0, < 8.0.0-202508080704-39bd251fe4f600
- Go/github.com/mattermost/mattermost/server/v8from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | LOW3.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N |