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Vulnerability · Published Oct 8, 2026 · Assigned by ibm

CVE-2026-13258IBM DataPower Gateway Cross-Site Scripting

Medium 5.4

In plain English

A medium-severity cross-site scripting in DataPower Gateway 10.5.0 from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.2%top 94.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
IBM DataPower Gateway 10.6CD 10.6.1 – through 10.6.6
IBM DataPower Gateway 10.6.0 10.6.0.0 – through 10.6.0.10
IBM DataPower Gateway 11.0.0 11.0.0.0 – through 11.0.0.2
IBM DataPower Gateway 10.5.0 10.5.0.0 – through 10.5.0.22

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References