SharePoint Products CopyMove for SharePoint 2019 prior 2026-11-06 ZIP Import path traversal

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k1.57-

Summaryinfo

A vulnerability categorized as critical has been discovered in SharePoint Products CopyMove for SharePoint V6 and CopyMove for SharePoint 2019. This issue affects some unknown processing of the component ZIP Import. Such manipulation leads to path traversal. This vulnerability is uniquely identified as CVE-2026-123973. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in SharePoint Products CopyMove for SharePoint V6 and CopyMove for SharePoint 2019. It has been rated as critical. Affected by this issue is an unknown functionality of the component ZIP Import. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability. CVE summarizes:

SharePoint Products CopyMove before 2026-11-06 allows traversal. An authenticated SharePoint user with the necessary permissions to use the ZIP import functionality may exploit a path traversal vulnerability in CopyMove for SharePoint 2019 and CopyMove for SharePoint V6 by supplying a crafted ZIP archive. A path traversal vulnerability in the ZIP import functionality of SharePoint Products ApS CopyMove for SharePoint 2019 and CopyMove for SharePoint V6 allows a user with access to the ZIP import functionality to supply a crafted ZIP archive containing malicious entry paths. During extraction, these paths may cause files to be written outside the intended extraction directory. The issue has been addressed by implementing ZIP archive entry path validation to prevent extraction outside the designated directory.

The advisory is available at sharepointproducts.com. This vulnerability is handled as CVE-2026-123973 since 11/06/2026. The exploitation is known to be easy. The attack may be launched remotely. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

Upgrading to version 2026-11-06 eliminates this vulnerability.

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Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.5

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.0
CNA Vector (MITRE): 🔒

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: CopyMove for SharePoint V6/CopyMove for SharePoint 2019 2026-11-06

Timelineinfo

11/06/2026 Advisory disclosed
11/06/2026 +0 days CVE reserved
11/06/2026 +0 days VulDB entry created
11/06/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: sharepointproducts.com
Status: Confirmed

CNA: MITRE
CVE: CVE-2026-123973 (🔒)

GCVE (CVE): GCVE-0-2026-123973
GCVE (VulDB): GCVE-100-432062

Entryinfo

Created: 11/06/2026 19:14
Changes: 11/06/2026 19:14 (62)
Complete: 🔍
Cache ID: 216::103

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