CVE-2026-108140NVD

Vulnerability Summary

A vulnerability allowing an authenticated user with the Restore Operator role, who also controls the contents of a backed-up NAS share, to write attacker-controlled files to an arbitrary path on the backup server through relative path traversal.

Severity Level

MEDIUM(5.9)

Published Date

Oct 27, 2026

Last Modified

Oct 27, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

Data Pending

Root Weakness (CWE)

CWE-22: Path Traversal ↗

The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory.

CVSS v4.0 Base Metrics — Score 5.9 (MEDIUM)

Attack VectorNetwork

Attack ComplexityHigh

Attack RequirementsPresent

Privileges RequiredHigh

User InteractionNone

Confidentiality (Vulnerable System)None

Integrity (Vulnerable System)High

Availability (Vulnerable System)Low

Confidentiality (Subsequent System)None

Integrity (Subsequent System)None

Availability (Subsequent System)None

Affected & Patched Versions

Affected Versions

Veeam Backup and Replication >= 13.0 and < 13.0.3
Veeam Backup and Replication >= 13.1 and < 13.1.2

Patched Versions

Veeam Backup and Replication 13.0.3
Veeam Backup and Replication 13.1.2

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