CVE-2026-15966
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
7.5
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.
- Record
CVE-2026-15966- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-942
- Updated
- 2026-11-02
EUVDEUVD-2026-48419
7.5
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.
- Record
EUVD-2026-48419- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-9rcg-65vx-h53x
7.5
Permissive cross-domain security policy with untrusted domains vulnerability in Progress MOVEit...
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.
- Record
GHSA-9rcg-65vx-h53x- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-942
- Updated
- 2026-11-02
NVD
7.5
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.
- Record
CVE-2026-15966- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-942
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-15966 is a high vulnerability (CVSS 7.5) in Progress Moveit Transfer, published July 23, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.37%, the 31st percentile. No source names a fixed version.