CVE-2026-93026 Missing authorization in Backup and Replication
A Backup Viewer can modify the Enterprise Manager master key and antivirus credentials due to missing authorization checks.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-93026?
CVE-2026-93026 is a medium-severity missing authorization vulnerability in Veeam Backup and Replication, published on 7 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
This vulnerability in Veeam Backup & Replication allows a Backup Viewer to modify the Enterprise Manager master key and stored antivirus update credentials.
Weakness: CWE-862
Which versions are affected by CVE-2026-93026?
How do I fix CVE-2026-93026?
No fix has been published for CVE-2026-93026 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-93026 being exploited?
There is no known exploitation of CVE-2026-93026 in the wild and no public exploit code.
Sources
Also known as GHSA-66c3-wq53-j995.