CVE-2026-17399

Multiple Vulnerabilities in IBM API Connect

Published Nov 7, 2026 CVSS 3.1 · 9.9 Critical EPSS < 1% KEV · Not listed
Description
IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to execute arbitrary code due to insufficient validation of uploaded content. Content uploaded to the product is not sufficiently checked before it is processed, which could allow code to run on the server.

Remediation

Vendor Solution

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

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to execute arbitrary code due to insufficient validation of uploaded content. Content uploaded to the product is not sufficiently checked before it is processed, which could allow code to run on the server.
Title Multiple Vulnerabilities in IBM API Connect
First Time appeared Ibm
Ibm api Connect
Weaknesses CWE-434
CPEs cpe:2.3:a:ibm:api_connect:10.0.8.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:api_connect:10.0.8.12:*:*:*:*:*:*:*
cpe:2.3:a:ibm:api_connect:12.1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:api_connect:12.1.1.2:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm api Connect
References
Metrics cvssV3_1

{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Nov 11, 2026, 10:54 AM
Reserved
Jul 25, 2026, 4:52 AM
Status
Undergoing Analysis
Published
Nov 7, 2026, 5:18 AM
Modified
Nov 11, 2026, 11:17 AM