CVE-2025-53636 MEDIUM

CVE-2025-53636: Open OnDemand Shell App closed websocket DoS

Vendor Osc
Product ondemand
Weakness CWE-400
Published July 11, 2025
Last update July 14, 2025

CVSS base score

5.4/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

What the vulnerability does

01Description

Open OnDemand is an open-source HPC portal. Users can flood logs by interacting with the shell app and generating many errors. Users who flood logs can create very large log files causing a Denial of Service (DoS) to the ondemand system. This vulnerability is fixed in 3.1.14 and 4.0.6.

Key dates

02Disclosure timeline

July 11, 2025 CVE published
July 14, 2025 Record updated