CVE-2026-15966

CRITICALCVSS 9.8/10EPSS 0.18%

Last modified

CVE-2026-15966 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.18%

8.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ProgressMoveit Transfer< 2025.1.5
ProgressMoveit Transfer>= 2026.0.0, < 2026.0.3

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is 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.
How severe is CVE-2026-15966?
CVE-2026-15966 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2026-15966?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST