---
id: CVE-2026-13257
title: >-
  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 could allow an
  authenticated user to forge signature requests due to improper verification of
  data authent…
summary: >-
  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 could allow an
  authenticated user to forge signature requests due to improper verification of
  data authent…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N'
cwe:
  - CWE-345
vendor: IBM
product: DataPower Gateway 10.6CD
affected:
  - datapower_gateway_10.6cd >= 10.6.1 <= 10.6.6
  - datapower_gateway_10.6.0 >= 10.6.0.0 <= 10.6.0.10
  - datapower_gateway_11.0.0 >= 11.0.0.0 <= 11.0.0.2
  - datapower_gateway_10.5.0 >= 10.5.0.0 <= 10.5.0.22
published: '2026-10-08'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T15:17:48.143'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-13257'
references:
  - url: 'https://www.ibm.com/support/pages/node/7289775'
    label: psirt@us.ibm.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-08T14:47:16.366Z'
---

## Overview

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 could allow an authenticated user to forge signature requests due to improper verification of data authenticity.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.