Is CVE-2026-16426 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-16426?

CVE-2026-16426 has a CVSS v3 severity of MEDIUM (6.5).

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CVE-2026-16426

Description

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.