CVE-2026-18195

IBM App Connect Enterprise web user interface and Administration REST API are vulnerable to html injection

Published Nov 8, 2026 CVSS 3.1 · 4.2 Medium EPSS < 1% KEV · Not listed
Description
IBM App Connect Enterprise 13.0.1.0 through 13.0.8.2, and 12.0.1.0 through 12.0.12.30 could allow a remote attacker to perform content spoofing due to improper output encoding of error messages.

Remediation

Vendor Solution

IBM strongly recommends addressing the vulnerability/vulnerabilities now by applying the appropriate fix to IBM App Connect Enterprise Affected Product(s)Version(s)APARRemediation / FixesIBM App Connect Enterprise13.0.1.0 - 13.0.8.2IT50120 The APAR (IT50120) is available from IBM App Connect Enterprise v13- Fix Pack Release 13.0.9.0 https://www.ibm.com/support/pages/download-ibm-app-connect-enterprise-13090 IBM App Connect Enterprise12.0.1.0 - 12.0.12.30IT50120 The APAR (IT50120) is available from IBM App Connect Enterprise v12- Fix Pack Release 12.0.12.31 https://www.ibm.com/support/pages/download-ibm-app-connect-enterprise-1201231-fix-pack

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:ibm:app_connect_enterprise:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Description IBM App Connect Enterprise 13.0.1.0 through 13.0.8.2, and 12.0.1.0 through 12.0.12.30 could allow a remote attacker to perform content spoofing due to improper output encoding of error messages.
Title IBM App Connect Enterprise web user interface and Administration REST API are vulnerable to html injection
First Time appeared Ibm
Ibm app Connect Enterprise
Weaknesses CWE-79
CPEs cpe:2.3:a:ibm:app_connect_enterprise:12.0.1.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:app_connect_enterprise:12.0.12.30:*:*:*:*:*:*:*
cpe:2.3:a:ibm:app_connect_enterprise:13.0.1.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:app_connect_enterprise:13.0.8.2:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm app Connect Enterprise
References
Metrics cvssV3_1

{'score': 4.2, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Nov 9, 2026, 2:12 PM
Reserved
Jul 29, 2026, 4:40 AM
Status
Analyzed
Published
Nov 8, 2026, 6:17 PM
Modified
Nov 10, 2026, 4:18 PM