CVE-2026-13258

Medium

Description

IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 is vulnerable to cross-site scripting. This vulnerability allows an authenticated user to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.

SeverityMedium

CVSS5.4

Exploit probability—

Product

Ibm Datapower Gateway

PublishedOct 8, 2026

First seenOct 8, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

ibm datapower_gateway10.5.0.23, 10.6.0.11, 11.0.0.3 or later

Patches

ibm.com/support/pages/node/7289775

Affected products

Product	Affected versions	Fixed in
ibm datapower_gateway	10.5.0.0 ≤ v < 10.5.0.23, 10.6.0.0 ≤ v < 10.6.0.11, 10.6.1.0 ≤ v < 11.0.0.3, 11.0.0.0 ≤ v < 11.0.0.3	10.5.0.23, 10.6.0.11, 11.0.0.3

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