CVE-2026-16426: IBM Concert

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

IBM Concert 1.0.0 through 3.0.0 is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks.

Affected products

• IBM Concert: from 1.0.0, up to and including 3.0.0

Published 2026-09-22. Last modified 2026-09-23.