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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-18195
StatePUBLISHED
Assigneribm
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-08 18:17:03 UTC
Updated2026-11-09 15:17:20 UTC
DescriptionIBM 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.

Risk And Classification

Primary CVSS: v3.1 4.2 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N

Problem Types: CWE-79 | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.2MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
3.1CNACVSS4.2MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA IBM App Connect Enterprise affected 13.0.1.0 13.0.8.2 semver Not specified
CNA IBM App Connect Enterprise affected 12.0.1.0 12.0.12.30 semver Not specified

References

ReferenceSourceLinkTags
www.ibm.com/support/pages/node/7293505 [email protected] www.ibm.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: 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

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