CVE-2026-17278

Multiple Vulnerabilities in IBM API Connect

Published Nov 7, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote attacker to gain unauthorized access to sensitive API catalog and runtime configuration data due to improper authentication. Information supplied by the client is not sufficiently verified, which could allow a caller to appear as a trusted party.

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

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:ibm:api_connect:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Description IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote attacker to gain unauthorized access to sensitive API catalog and runtime configuration data due to improper authentication. Information supplied by the client is not sufficiently verified, which could allow a caller to appear as a trusted party.
Title Multiple Vulnerabilities in IBM API Connect
First Time appeared Ibm
Ibm api Connect
Weaknesses CWE-290
CPEs 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': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Nov 12, 2026, 4:38 PM
Reserved
Jul 24, 2026, 11:57 PM
Status
Analyzed
Published
Nov 7, 2026, 5:18 AM
Modified
Nov 12, 2026, 5:17 PM