Is CVE-2026-12118 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-12118?

CVE-2026-12118 has a CVSS v3 severity of CRITICAL (9.8).

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CVE-2026-12118

Description

IBM webMethods Integration (on prem) 10.15, 10.11 could allow an unauthenticated remote attacker to execute arbitrary code on the system due to the deserialization of untrusted data.