Medium (5.3) in fit2cloud jumpserver. EPSS 0.2% chance of exploitation in the next 30 days.
JumpServer is an open source bastion host and an operation and maintenance security audit system.
An authenticated user can exploit the Insecure Direct Object Reference (IDOR) vulnerability in the file manager's bulk transfer by manipulating job IDs to upload malicious files, potentially compromising the integrity and security of the system. This vulnerability is fixed in v3.10.6.
Severity
CVSS 3.1
5.3 medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
EPSS
0.2% chance of exploitation in the next 30 days; higher than 14% of CVEs (scores of 2026-10-31)