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TI-2026-81406 Aliases CVE-2026-105477GHSA-hmhw-3722-4w82

Local privilege escalation in Veeam Agent for Linux

Priority LOW 33CWE-426Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-426.

Summary

Veeam Agent for Linux from 13.1 before 13.1.2 has an untrusted search path flaw (CWE-426). Only installations managed by a Veeam Backup & Replication instance are affected. A local user with low privileges can escalate privileges.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Description from the CNA

A vulnerability in Veeam Agent for Linux allows for local privilege escalation. Only installations that are managed by a Veeam Backup & Replication instance are affected.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00131 2nd percentileScored 2026-11-07
Fix Fixed Agent for Linux (Veeam): 13.1.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
VeeamAgent for Linux13.1 to before 13.1.213.1.2Patch availableCNA
  • Agent for Linux VendorVeeam Affected 13.1 to before 13.1.2 Fixed in 13.1.2 Patch available CNA

Remediation

Update Veeam Agent for Linux to version 13.1.2, which fixes the flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

  • Fix · CNA Agent for Linux (Veeam) Fixed in 13.1.2

Timeline

  1. 2026-10-27 Threatist record created from CVE-2026-105477
  2. 2026-10-27 Alias added: GHSA-hmhw-3722-4w82
  3. 2026-10-28 Priority changed: MEDIUM → LOW
  4. 2026-11-04 CISA SSVC decision points changed

References

Other 1

  • TI-2024-27107 Deserialization of untrusted data in Veeam Backup and Recovery KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-09844 Veeam Backup & Replication 10.x and 11.x has Incorrect Access Control (issue 1 of 2). KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-09843 Improper limitation of path names in Veeam Backup & Replication 9.5U3, 9.5U4,10.x, and… KEVCVSS 3.1HIGH 8.8
  • TI-2023-12256 Missing authentication in Veeam Backup & Replication KEVCVSS 3.1HIGH 7.5
  • TI-2020-08796 Deserialization of untrusted data in Veeam One Agent CVSS 3.1CRITICAL 9.8
  • TI-2024-19623 Veeam Backup Enterprise Manager allows unauthenticated users to log in as any user to enterprise manager web interface. CVSS 3.0CRITICAL 9.8
See all 119 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences