Is CVE-2026-15057 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-15057?

CVE-2026-15057 has a CVSS v3 severity of HIGH (7.5).

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Description

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 is vulnerable to a denial of service due to uncontrolled heap allocation.