low3.1
CVE-2025-62690
Mattermost has missing redirect URL validation
Impact
Mattermost versions 10.11.x <= 10.11.4 fail to validate redirect URLs on the /error page, which allows an attacker to redirect a victim to a malicious site via a crafted link opened in a new tab.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/mattermost/mattermost/server/v8 | >= 8.0.0-20250721062209-4952acea88ce, < 8.0.0-20251016131338-dad6bd7a1509 | 8.0.0-20251016131338-dad6bd7a1509 |
| go | github.com/mattermost/mattermost | >= 10.11.0-rc1, < 10.11.5-0.20251016131338-dad6bd7a1509 | 10.11.5-0.20251016131338-dad6bd7a1509 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mattermost | Mattermost Server | from 10.11.0 before 10.11.5 |