Is CVE-2026-56451 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-56451?

CVE-2026-56451 has a CVSS v3 severity of CRITICAL (10).

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CVE-2026-56451

Description

A vulnerability has been identified in Opcenter X (All versions < V2604). Affected applications do not properly validate the algorithm specified in the JSON Web Token (JWT) header. This could allow an unauthenticated remote attacker to forge arbitrary JWT, bypass authentication mechanisms and impersonate any user including administrative accounts, potentially gaining full unauthorized access to the application.