Relative Path Traversal in Opencast - CVE-2025-55202
Published: April 23, 2026
Vulnerability identifier: #VU127022
CSH Severity: Low
CVSS v4 BT: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2025-55202
CWE-ID: CWE-23
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to path traversal in the UI config module when handling file path requests. A remote attacker can request a crafted path to disclose sensitive information.
Exploitation is limited to files in another folder whose path starts with the configured ui-config path and that are readable by Opencast.
Affected software
Opencast
How to mitigate CVE-2025-55202
Install security update from vendor's website.
Opencast - addressed in versions 17.7, 18.1