Description
Mattermost versions 9.11.X <= 9.11.1, 9.5.x <= 9.5.9 icorrectly issues two sessions when using desktop SSO - one in the browser and one in desktop with incorrect settings.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mattermost | Mattermost | 9.11.0 – ≤ 9.11.1, 9.5.0 – ≤ 9.5.9 | 10.0.0 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP6 | govulncheck-vulndb | 0.0.20241030T212825-150000.1.9.1 | SUSE-SU-2024:3911-1 |
| SLES 15 SP5 | govulncheck-vulndb | 0.0.20241030T212825-150000.1.9.1 | SUSE-SU-2024:3911-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 12 | govulncheck-vulndb | 0.0.20241104T154416-5.1 | openSUSE-SU-2024:0350-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | govulncheck-vulndb | 0.0.20241030T212825-1.1 | openSUSE-SU-2024:14447-1 |
| openSUSE Leap 15.6 | govulncheck-vulndb | 0.0.20241030T212825-150000.1.9.1 | SUSE-SU-2024:3911-1 |
| openSUSE Leap 15.5 | govulncheck-vulndb | 0.0.20241030T212825-150000.1.9.1 | SUSE-SU-2024:3911-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | all versions | — | GO-2024-3227 |
| Go | github.com/mattermost/mattermost-server/v5 | all versions | — | GO-2024-3227 |
| Go | github.com/mattermost/mattermost-server/v6 | all versions | — | GO-2024-3227 |
| Go | github.com/mattermost/mattermost/server/v8 | < 8.0.0-20240821220019-0d6b1070a26f | 8.0.0-20240821220019-0d6b1070a26f | GHSA-hm57-h27x-599c |
Advisories 4
- SUSE-SU-2024:3911-1 Security update for govulncheck-vulndb SUSE / openSUSE Security Updates · Feb 5, 2026
- openSUSE-SU-2024:0350-1 Security update for govulncheck-vulndb SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:14447-1 govulncheck-vulndb-0.0.20241030T212825-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2024-3175 Mattermost: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff BSI CERT-Bund (WID) · Oct 29, 2024