GO-2026-4464
NoneCVSS
—
EPSS
—
Published
Feb 17, 2026
CISA due date
—
The record
Mattermost Server has X.509 Improper Certificate Validation in github.com/mattermost/mattermost-server
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | 0 | 3.6.7-rc1+incompatible |
| Go | github.com/mattermost/mattermost-server | 0 | 3.6.7-rc1 |
| Go | github.com/mattermost/mattermost-server | 3.7.0 | 3.7.5 |
| Go | github.com/mattermost/mattermost-server | 3.8.0 | 3.8.2 |
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