What is CVE-2026-15966?

CVE-2026-15966 is a high-severity vulnerability in Progress Moveit Transfer, classified under Permissive Cross-domain Policy with Untrusted Domains. CVSS score: 7.5/10. Published 2026-07-23.

How severe is CVE-2026-15966?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Progress Moveit Transfer

CVE-2026-15966

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.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Progress Moveit Transfer — versions 0, 2026.0.0

Weakness classification (CWE)

CWE-942 — Permissive Cross-domain Policy with Untrusted Domains

References

security@progress.com (release-notes)

Frequently asked questions

What is CVE-2026-15966?: CVE-2026-15966 is a high-severity vulnerability in Progress Moveit Transfer, classified under Permissive Cross-domain Policy with Untrusted Domains. CVSS score: 7.5/10. Published 2026-07-23.
How severe is CVE-2026-15966?: High severity. CVSS v3 base score is 7.5 out of 10.