Quick answers
- Is CVE-2026-108140 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-108140 being exploited in the wild.
- How severe is CVE-2026-108140?
- Informational severity, published 27 October 2026.
- Which products and versions are affected?
- Veeam Backup & Replication 13.1.1.18 and earlier 13.1 builds; 13.0.2.29 and earlier 13.0 builds.
- Is there a fix for CVE-2026-108140?
- Yes: fixed in Veeam Backup & Replication 13.1.2 (build 13.1.2.57), 13.0.3 (build 13.0.3.63). Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-108140 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-108140?
- Check whether you run Veeam Backup & Replication at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: Veeam Backup & Replication 13.1.2 (build 13.1.2.57), 13.0.3 (build 13.0.3.63)
Technical details
The vulnerability is a relative path traversal flaw in Veeam Backup & Replication affecting the restore functionality. An authenticated user with the Restore Operator role can exploit this by controlling the contents of a backed-up NAS share and writing attacker-controlled files to arbitrary paths on the backup server. The attack requires authentication and knowledge of the target environment, but no user interaction.
Affected products
- Veeam Backup & Replication 13.1.1.18 and earlier 13.1 builds; 13.0.2.29 and earlier 13.0 builds
Timeline
- 2026-10-27: disclosed