Is CVE-2026-81657 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-81657?

CVE-2026-81657 has a CVSS v3 severity of CRITICAL (9.8).

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CVE-2026-81657

Description

IBM Guardium Data Protection 12.2 could allow a remote unauthenticated attacker to execute arbitrary code on the system due to the deserialization of untrusted data.