CVE-2025-58044: FIT2CLOUD Jumpserver

Medium severity, CVSS 6.1. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• FIT2CLOUD Jumpserver: before 3.10.19 (fixed in 3.10.19); from 4.0.0, before 4.10.5 (fixed in 4.10.5)

Published 2025-12-01. Last modified 2026-06-17.