CVE-2026-17390: Multiple Vulnerabilities in IBM API Connect

Q: Does exploitation require prior authentication?

Yes. The vulnerability could allow an authenticated user to execute arbitrary JavaScript in the web UI.

Q: What is the potential impact of successful exploitation?

An attacker could alter the intended functionality of the affected page and potentially disclose credentials within a trusted session.

Published Nov 5, 2026

Updated

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 authenticated user to execute arbitrary JavaScript in the web UI due to cross-site scripting. This could alter the intended functionality of the page and potentially lead to credential disclosure within a trusted session.

Other sources

IBM API Connect could allow an authenticated user to execute arbitrary JavaScript in the web UI due to cross-site scripting. This could alter the intended functionality of the page and potentially lead to credential disclosure within a trusted session.

— IBM

Affected Software

1 affected component

IBM API Connect<=V10.0.8.0 - V10.0.8.12

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade IBM API Connect to a version that resolves this vulnerability.
Fixed in 10.0.8.13
Upgrade
Upgrade IBM API Connect to a version that resolves this vulnerability.
Fixed in 12.1.1.3

Event History

Nov 5, 2026

CVE Published

via IBM·12:00 AM

Data Sourced

via IBM·12:00 AM

DescriptionAffected Software

Nov 7, 2026

CVE Published

via MITRE·04:34 AM

Data Sourced

via MITRE·04:34 AM

RemedyDescriptionSeverityWeakness

Data Sourced

via NVD·05:18 AM

DescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

IBM-7295637

Frequently Asked Questions

Does exploitation require prior authentication?

Yes. The vulnerability could allow an authenticated user to execute arbitrary JavaScript in the web UI.

What is the potential impact of successful exploitation?

An attacker could alter the intended functionality of the affected page and potentially disclose credentials within a trusted session.

CVE-2026-17390: Multiple Vulnerabilities in IBM API Connect

Other sources

Affected Software

Remediation

Event History

Parent advisories

Frequently Asked Questions

Does exploitation require prior authentication?

What is the potential impact of successful exploitation?

Company

Resources

Contact

Frequently Asked Questions

Does exploitation require prior authentication?

What is the potential impact of successful exploitation?