Path Traversal Vulnerability in Veeam Backup & Replication Software
CVE-2026-108140

5.9MEDIUM

Key Information:

Vendor

Veeam
Status
Backup And Replication
Vendor
CVE Published:
27 October 2026

What is CVE-2026-108140?

This vulnerability permits an authenticated user with the Restore Operator role to exploit an improperly secured NAS share. By controlling the contents of a backup share, the attacker can manipulate file paths to write malicious files to arbitrary locations on the backup server. This can lead to unauthorized data access or manipulation, posing a significant security risk to the integrity of the backup system.

Affected Version(s)

Backup and Replication 13.0 < 13.0.3

Backup and Replication 13.1 < 13.1.2

References

https://www.veeam.com/kb4948

CVSS V4

Score:
5.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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