Is CVE-2026-13257 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-13257?

CVE-2026-13257 has a CVSS v3 severity of MEDIUM (6.5).

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CVE-2026-13257

Description

IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 could allow an authenticated user to forge signature requests due to improper verification of data authenticity.