#VU124833 Server-Side Request Forgery (SSRF) in IBM WebSphere Application Server Liberty - CVE-2026-1561
Published: April 2, 2026
Vulnerability identifier: #VU124833
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-1561
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
IBM WebSphere Application Server Liberty
IBM WebSphere Application Server Liberty
Software vendor:
IBM Corporation
IBM Corporation
Description
The disclosed vulnerability allows a remote user to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input when the samlWeb-2.0 feature enabled. A remote user can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.
Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.
Remediation
Install interim fix PH70017 and update to the latest version when available.