Description
Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to properly retrieve requestorInfo from playbooks handler for guest users which allows an attacker access to the playbook run.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mattermost | Mattermost | 10.5.0 – ≤ 10.5.5, 9.11.0 – ≤ 9.11.15, 10.8.0, 10.7.0 – ≤ 10.7.2, 10.6.0 – ≤ 10.6.5 | 10.9.0 |
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.
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | govulncheck-vulndb | 0.0.20250730T213748-1.1 | openSUSE-SU-2025:15405-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | < 0.0.0-20250520060012-d0380305ef7a | 0.0.0-20250520060012-d0380305ef7a | GHSA-4578-6gjh-f2jm |
| Go | github.com/mattermost/mattermost-server | < 0.0.0-20250520060012-d0380305ef7a · >= 9.11.0+incompatible, < 9.11.16+incompatible · >= 10.5.0+incompatible, < 10.5.6+incompatible · >= 10.6.0+incompatible, < 10.6.6+incompatible · >= 10.7.0+incompatible, < 10.7.3+incompatible · >= 10.8.0+incompatible, < 10.8.1+incompatible | 0.0.0-20250520060012-d0380305ef7a, 9.11.16+incompatible, 10.5.6+incompatible, 10.6.6+incompatible, 10.7.3+incompatible, 10.8.1+incompatible | GO-2025-3771 |
| Go | github.com/mattermost/mattermost-server/v5 | all versions | — | GO-2025-3771 |
| Go | github.com/mattermost/mattermost-server/v6 | all versions | — | GO-2025-3771 |
| Go | github.com/mattermost/mattermost/server/v8 | < 8.0.0-20250520060012-d0380305ef7a | 8.0.0-20250520060012-d0380305ef7a | GHSA-4578-6gjh-f2jm |
| Go | github.com/mattermost/mattermost/server/v8 | >= 10.5.0, < 10.5.6 | 10.5.6 | GHSA-4578-6gjh-f2jm |
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.11.0, < 9.11.16 | 9.11.16 | GHSA-4578-6gjh-f2jm |
| Go | github.com/mattermost/mattermost/server/v8 | >= 10.8.0, < 10.8.1 | 10.8.1 | GHSA-4578-6gjh-f2jm |
| Go | github.com/mattermost/mattermost/server/v8 | >= 10.7.0, < 10.7.3 | 10.7.3 | GHSA-4578-6gjh-f2jm |
| Go | github.com/mattermost/mattermost/server/v8 | >= 10.6.0, < 10.6.6 | 10.6.6 | GHSA-4578-6gjh-f2jm |
Advisories 1
- openSUSE-SU-2025:15405-1 govulncheck-vulndb-0.0.20250730T213748-1.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026