CVE-2026-1561

Medium

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.

SeverityMedium

CVSS5.4

Exploit probability—

Product

Ibm Websphere Application Server

PublishedMar 25, 2026

First seenMar 25, 2026

Weakness typeCWE-918Server-side request forgery (SSRF)

How to fix

Update

ibm websphere_application_server26.0.0.4 or later

Patches

ibm.com/support/pages/node/7267347

Affected products

Product	Affected versions	Fixed in
ibm websphere_application_server	17.0.0.3 ≤ v < 26.0.0.4	26.0.0.4

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.