Session Fixation in Opencast - #VU138943
Published: July 21, 2026
Vulnerability identifier: #VU138943
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: N/A
CWE-ID: CWE-384
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Apereo Foundation
Affected software:
Opencast
Opencast
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the session fixation issue in login. A remote attacker can use a specially crafted link and takeover the target account.
Remediation
Install updates from vendor's website.