CrossDomain Policy Misconfig in Progress MOVEit Transfer <2025.1.5/2026.0.0<0.3
CVE-2026-15966 Published on July 23, 2026

Improper CORS handling in MOVEit Transfer
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.

NVD

Vulnerability Analysis

CVE-2026-15966 is exploitable with network access, requires user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
NETWORK
Attack Complexity:
HIGH
Privileges Required:
NONE
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

Permissive Cross-domain Policy with Untrusted Domains

The software uses a cross-domain policy file that includes domains that should not be trusted.


Products Associated with CVE-2026-15966

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Progress Moveit Transfer
 

Affected Versions

Progress MOVEit Transfer:

Exploit Probability

EPSS
0.18%
Percentile
7.97%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.