Path traversal in Veeam Agent for Linux and Backup & Replication - CVE-2026-108141
Published: October 30, 2026
Vulnerability identifier: #VU158555
CSH Severity: Low
CVSS v4: 5.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-108141
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote privileged user to write attacker-controlled files to arbitrary paths on the backup server.
The vulnerability exists due to relative path traversal in the handling of backed-up NAS share contents in Veeam Backup & Replication. A remote privileged user can use the Restore Operator role and control over the contents of a backed-up NAS share to write files outside the intended directory on the backup server.
Affected software
Veeam Agent for Linux
Backup & Replication
Backup & Replication
How to mitigate CVE-2026-108141
Install security update from vendor's website.
Veeam Agent for Linux - update to 13.1.2.11
Backup & Replication - addressed in versions 13.0.3.63, 13.1.2.57
Backup & Replication - addressed in versions 13.0.3.63, 13.1.2.57