MEDIUM · 5.4

CVE-2026-1561

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.3 IBM WebSphere Application Server Liberty is vulnerable to server-side request forgery (SSRF). This may allow remote attacker to sen...

Vulnerability Description

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.3 IBM WebSphere Application Server Liberty is vulnerable to server-side request forgery (SSRF). This may allow remote attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks.

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
IbmWebsphere Application Server>= 17.0.0.3, < 26.0.0.4
AppleMacos-
IbmAix-
IbmI-
IbmZ\/Os-
LinuxLinux Kernel-
MicrosoftWindows-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2026-1561?

CVE-2026-1561 is a vulnerability with a CVSS score of 5.4 (MEDIUM). IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.3 IBM WebSphere Application Server Liberty is vulnerable to server-side request forgery (SSRF). This may allow remote attacker to sen...

How severe is CVE-2026-1561?

CVE-2026-1561 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-1561?

Check the references section above for vendor advisories and patch information. Affected products include: Ibm Websphere Application Server, Apple Macos, Ibm Aix, Ibm I, Ibm Z\/Os.