Veeam Backup and Replication lets viewers change credentials
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · High · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
Veeam Backup and Replication from 12 before 12.3.2.4934 has a missing authorization check (CWE-862). A remote attacker with low privileges and a Backup Viewer role can modify the Enterprise Manager master key and stored antivirus update credentials. The CVSS 4.0 vector shows high integrity impact on the affected system and low confidentiality and availability impact, with no user interaction required.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
This vulnerability in Veeam Backup & Replication allows a Backup Viewer to modify the Enterprise Manager master key and stored antivirus update credentials.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Update Veeam Backup and Replication to version 12.3.2.4934 or later.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
- Fix · CNA Backup and Replication (Veeam) Fixed in 12.3.2.4934
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Veeam Backup and Replication 12.3.2.4934
2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2025-43885 Veeam Backup & Replication flaw lets viewers run code as SYSTEMPriority MEDIUM 51
Timeline
- 2026-10-07 Threatist record created from CVE-2026-93026
- 2026-10-07 Alias added: GHSA-66c3-wq53-j995
- 2026-10-07 CISA SSVC decision points changed
- 2026-10-07 Priority changed: MEDIUM → LOW
References
Other 1
More Veeam vulnerabilities
- 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
Sources
- CVE-2026-93026 · CVE Program
- CVE-2026-93026 · NVD
- FIRST EPSS
- GHSA-66c3-wq53-j995 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences