Is CVE-2026-15966 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-15966?

CVE-2026-15966 has a CVSS v3 severity of HIGH (7.5).

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CVE-2026-15966

Description

Permissive cross-domain security policy with untrusted domains vulnerability in Progress MOVEit Transfer. This issue affects MOVEit Transfer: before 2025.1.5, from 2026.0.0 before 2026.0.3.