Medium · published December 2, 2025
JumpServer is an open source bastion host and an operation and maintenance security audit system. Prior to v3.10.19 and v4.10.5, The /core/i18n// endpoint uses the Referer header as the redirection target without proper validation, which could lead to an Open Redirect vulnerability. This vulnerability is fixed in v3.10.19 and v4.10.5.
| Product | Versions | Fixed in |
|---|---|---|
| fit2cloud/jumpserver | < 3.10.19 | 3.10.19 |
| fit2cloud/jumpserver | ≥ 4.0.0, < 4.10.5 | 4.10.5 |