CVE-2026-21668

Published Mar 12, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
A vulnerability allowing an authenticated domain user to bypass restrictions and manipulate arbitrary files on a Backup Repository.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
References
History
Type Values Removed Values Added
Title Authenticated Domain User Bypass Allows Arbitrary File Manipulation on Veeam Backup Repository
Type Values Removed Values Added
Weaknesses CWE-693
Type Values Removed Values Added
Title Authenticated Domain User Bypass Allows Arbitrary File Manipulation on Veeam Backup Repository
Type Values Removed Values Added
Title Domain User Bypass of Backup Repository File Access in Veeam Backup and Replication
Weaknesses CWE-284
Type Values Removed Values Added
First Time appeared Veeam veeam Backup \& Replication
CPEs cpe:2.3:a:veeam:veeam_backup_\&_replication:*:*:*:*:*:*:*:*
Vendors & Products Veeam veeam Backup \& Replication
Type Values Removed Values Added
Title Domain User Bypass of Backup Repository File Access in Veeam Backup and Replication
Weaknesses CWE-284
CWE-862
Type Values Removed Values Added
Title Authenticated Domain User Bypass Allows Arbitrary File Manipulation on Veeam Backup Repository
Weaknesses CWE-284
Type Values Removed Values Added
Title Authenticated Domain User Bypass Allows Arbitrary File Manipulation on Veeam Backup Repository
Weaknesses CWE-284
Type Values Removed Values Added
Title Domain User Bypass Allows File Manipulation on Veeam Backup Repository
Weaknesses CWE-285
CWE-732
Type Values Removed Values Added
Title Domain User Bypass Allows File Manipulation on Veeam Backup Repository
Weaknesses CWE-285
CWE-732
Type Values Removed Values Added
Title Authenticated Domain User File Manipulation in Veeam Backup Repository
Weaknesses CWE-284
Type Values Removed Values Added
Title Authenticated Domain User File Manipulation in Veeam Backup Repository
Weaknesses CWE-284
Type Values Removed Values Added
Title Authenticated Domain User Can Manipulate Backup Repository Files
Weaknesses CWE-284
CWE-732
Type Values Removed Values Added
Title Authenticated Domain User Can Manipulate Backup Repository Files
Weaknesses CWE-284
CWE-732
Type Values Removed Values Added
Title Authenticated Domain User Bypass Allows Arbitrary File Manipulation on Veeam Backup Repository
Weaknesses CWE-284
Type Values Removed Values Added
Title Authenticated Domain User Bypass Allows Arbitrary File Manipulation on Veeam Backup Repository
Weaknesses CWE-284
Type Values Removed Values Added
First Time appeared Veeam
Veeam backup And Replication
Vendors & Products Veeam
Veeam backup And Replication
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description A vulnerability allowing an authenticated domain user to bypass restrictions and manipulate arbitrary files on a Backup Repository.
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
hackerone
Published
Updated
May 10, 2026, 1:33 PM
Reserved
Jan 2, 2026, 3:00 PM
Status
Modified
Published
Mar 12, 2026, 3:16 PM
Modified
Jun 17, 2026, 10:18 AM