CVSS 8.7 (high) · published 2026-11-07
IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to execute arbitrary JavaScript in the victim's browser due to cross-site scripting. User-supplied input is not properly neutralized when a web page is updated, so script content could run in another user's session.
Affected products (NVD): ibm api_connect
Fixed in (NVD): 10.0.8.13, 12.1.1.3
Weakness: CWE-79
Source: NVD CVE-2026-16709
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