Improper privilege management in Veeam Agent for Linux and Backup & Replication - CVE-2026-105477

 

Improper privilege management in Veeam Agent for Linux and Backup & Replication - CVE-2026-105477

Published: October 30, 2026


Vulnerability identifier: #VU158556
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-105477
CWE-ID: CWE-269
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to escalate privileges on the local system.

The vulnerability exists due to improper privilege management in Veeam Agent for Linux when operating on the local system. A local user can exploit the agent's privilege handling to gain permissions beyond those assigned to their account.

Only installations managed by a Veeam Backup & Replication instance are affected.


Affected software

Veeam Agent for Linux
Backup & Replication

How to mitigate CVE-2026-105477

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

External References

Related Security Bulletins