IBM API Connect: Cross-site scripting vulnerability (CVE-2026-17190)
IBM API Connect versions 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 contain a cross-site scripting vulnerability (CVE-2026-17190) that allows a remote authenticated attacker to execute arbitrary JavaScript due to insufficient sanitization of HTML content supplied by a provider.
CVE search metadata
CVE search record: CVE-2026-17190. Severity: high. CVSS: 8.7. KEV: no. Product: API Connect (10.0.8.0-10.0.8.12, 12.1.0.0-12.1.1.2). Brief: IBM API Connect: Cross-site scripting vulnerability (CVE-2026-17190). Brief link: https://feed.craftedsignal.io/briefs/2026-11-ibm-api-connect-xss-d83cb1cf/
Triage facts
Revision 1- Applicability
- API Connect (10.0.8.0-10.0.8.12, 12.1.0.0-12.1.1.2)
- Evidence
- Unknown
- Severity
- High
- Sources
- 1 public source
- Freshness
- Revision 1Nov 7, 06:02 UTC
- Vulnerabilities
- 1 CVE
- Source quality
- A2Roughly even chance
IBM API Connect versions 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 are susceptible to a cross-site scripting vulnerability identified as CVE-2026-17190. The vulnerability exists because HTML content supplied by a provider is not sufficiently sanitized before display, which could allow script content to run in the user's browser.
Technical Details
A remote authenticated attacker can leverage this vulnerability to execute arbitrary JavaScript.