---
id: CVE-2026-17301
title: Multiple Vulnerabilities in IBM API Connect
summary: >-
  IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could
  allow an unauthenticated attacker to bypass authentication due to improper
  verification of a cryptographic signature.
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-347
vendor: IBM
product: API Connect
affected:
  - api_connect >= 12.1.0.0 <= 12.1.1.2
  - api_connect >= 10.0.8.0 <= 10.0.8.12
published: '2026-11-07'
updated: '2026-11-07'
sourceUpdated: '2026-11-07T04:32:52.887Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-17301'
references:
  - url: 'https://www.ibm.com/support/pages/node/7295635'
  - url: 'https://www.ibm.com/support/pages/node/7295637'
tags:
  - cve.org
ingestedAt: '2026-11-07T05:10:28.964Z'
epss: 0.00435
epssPercentile: 0.37987
---

## Overview

IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow an unauthenticated attacker to bypass authentication due to improper verification of a cryptographic signature.

## Affected

- `api_connect >= 12.1.0.0 <= 12.1.1.2`
- `api_connect >= 10.0.8.0 <= 10.0.8.12`

## Remediation

IBM strongly recommends addressing the vulnerability now by upgrading to v12.1.1.3
Fix Central Link:  https://www.ibm.com/support/pages/node/7290205 



IBM strongly recommends addressing the vulnerability now by upgrading to 10.0.8.13Fix Central Link: https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm%7EWebSphere&product=ibm/WebSphere/IBM+API+Connect&release=10.0.8.12&platform=All&function=all