Veeam security advisory (AV26-855)
Canada's Cyber Centre advisory AV26-855 says Veeam Backup & Replication and Veeam ONE vulnerabilities are resolved in 13.0.3 and 13.1 updates.
Advisory AV26-855, dated August 27, 2026, states that as of August 25 Veeam is affected by vulnerabilities in Backup & Replication (prior to 13.0.3 build 13.0.3.63 and prior to 13.1 build 13.1.0.411) and Veeam ONE (prior to or equal to 13.0.2.6723 and 13.1.0.7034). Fixes are documented in KB4902 (Veeam Backup & Replication 13.1) and KB4905 (Veeam ONE 13.1 Patch 0). The Cyber Centre urges users and administrators to apply the available updates. No CVE identifiers or exploitation details are given.
- Advisory AV26-855 covers Veeam Backup & Replication and Veeam ONE
- Fixes shipped in Veeam B&R 13.1 and Veeam ONE 13.1 Patch 0
- Admins urged to review KB4902 and KB4905 and patch
- Vendors
- Veeam
- Organizations
- Canadian Centre for Cyber Security
- Countries
- Canada
From the original article
Serial Number: AV26-855 Date: August 27, 2026 As of August 25, 2026, Veeam is affected by vulnerabilities in the following products: Backup and Replication Prior to 13. 0. 3 (build 13.
cyber.gc.ca
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