CVE-2026-56844: CWE-22 Path Traversal in Veeam Backup and Replication
CVE-2026-56844 is a high-severity vulnerability in the Veeam Updater component of the Veeam Backup and Replication software appliance. It involves a path traversal flaw (CWE-22) that could allow a local user with elevated privileges to escalate to root-level access on the underlying operating system. This vulnerability does not require user interaction and has a low attack complexity. No patch or official remediation has been confirmed yet.
AI Analysis
Technical Summary
This vulnerability exists in the Veeam Updater component of the Veeam Backup and Replication appliance. It is classified as a path traversal issue (CWE-22) that enables a local user with high privileges to escalate their access to root level on the underlying OS. The CVSS 4.0 base score is 8.4, reflecting high impact and exploitability with low complexity and no required user interaction. The vulnerability is not known to be exploited in the wild. No vendor advisory or patch information is currently available to confirm remediation status.
Potential Impact
A local user with elevated privileges can exploit this vulnerability to gain root-level access to the underlying operating system of the Veeam Backup and Replication appliance. This can lead to full system compromise, allowing the attacker to control the appliance and potentially access or manipulate backup data and system configurations.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict local access to trusted users only and monitor for suspicious activity related to the Veeam Updater component.
CVE-2026-56844: CWE-22 Path Traversal in Veeam Backup and Replication
Description
CVE-2026-56844 is a high-severity vulnerability in the Veeam Updater component of the Veeam Backup and Replication software appliance. It involves a path traversal flaw (CWE-22) that could allow a local user with elevated privileges to escalate to root-level access on the underlying operating system. This vulnerability does not require user interaction and has a low attack complexity. No patch or official remediation has been confirmed yet.
CVSS v4.0
Score 8.4high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability exists in the Veeam Updater component of the Veeam Backup and Replication appliance. It is classified as a path traversal issue (CWE-22) that enables a local user with high privileges to escalate their access to root level on the underlying OS. The CVSS 4.0 base score is 8.4, reflecting high impact and exploitability with low complexity and no required user interaction. The vulnerability is not known to be exploited in the wild. No vendor advisory or patch information is currently available to confirm remediation status.
Potential Impact
A local user with elevated privileges can exploit this vulnerability to gain root-level access to the underlying operating system of the Veeam Backup and Replication appliance. This can lead to full system compromise, allowing the attacker to control the appliance and potentially access or manipulate backup data and system configurations.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict local access to trusted users only and monitor for suspicious activity related to the Veeam Updater component.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- hackerone
- Date Reserved
- 2026-06-23T15:00:03.632Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a6014639c2644c7f80f0e3d
Added to database: 07/22/2026, 00:52:51 UTC
Last enriched: 07/22/2026, 01:06:58 UTC
Last updated: 07/22/2026, 01:44:45 UTC
Views: 6
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