CVE-2025-9072
published 2025-09-15CVE-2025-9072: Mattermost versions 10.10.x <= 10.10.1, 10.5.x <= 10.5.9, 10.9.x <= 10.9.4 fail to validate the redirect_to parameter, allowing an attacker to craft a…
medium5.4CVSS 3.1
AVNACLPRLUIRSCCLILAN
Mattermost versions 10.10.x <= 10.10.1, 10.5.x <= 10.5.9, 10.9.x <= 10.9.4 fail to validate the redirect_to parameter, allowing an attacker to craft a malicious link that, once a user authenticates with their SAML provider, could post the user’s cookies to an attacker-controlled URL.
Affected
16 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| github.com | mattermost_mattermost-server | >= 10.10.0 < 10.10.2 | 10.10.2 |
| github.com | mattermost_mattermost-server | >= 10.10.0+incompatible < 10.10.2+incompatible | 10.10.2+incompatible |
| github.com | mattermost_mattermost-server | >= 10.5.0 < 10.5.10 | 10.5.10 |
| github.com | mattermost_mattermost-server | >= 10.5.0+incompatible < 10.5.10+incompatible | 10.5.10+incompatible |
| github.com | mattermost_mattermost-server | >= 10.9.0 < 10.9.5 | 10.9.5 |
| github.com | mattermost_mattermost-server | >= 10.9.0+incompatible < 10.9.5+incompatible | 10.9.5+incompatible |
| github.com | mattermost_mattermost_server_v8 | >= 0 < 8.0.0-20250731063404-9eebaadf8f72 | 8.0.0-20250731063404-9eebaadf8f72 |
| mattermost | mattermost | 10.10.0 – 10.10.1 | — |
| mattermost | mattermost | 10.5.0 – 10.5.9 | — |
| mattermost | mattermost | 10.9.0 – 10.9.4 | — |
| mattermost | mattermost_server | >= 10.10.0 < 10.10.2 | 10.10.2 |
| mattermost | mattermost_server | >= 10.5.0 < 10.5.10 | 10.5.10 |
| mattermost | mattermost_server | >= 10.9.0 < 10.9.5 | 10.9.5 |
| msrc | cbl_mariner_1.0_arm | — | — |
| msrc | cbl_mariner_1.0_x64 | — | — |
| msrc | cm1_binutils_2.32-4_on_cbl_mariner_1.0 | — | — |