by Kastro
Paper/Archive/CVE-2026-21708

CVE-2026-21708

Veeam Backup and Replication — A vulnerability allowing a Backup Viewer to perform remote code execution (RCE) as the postgres user.

EPSS 1%CVSS 9.9
critical.is priorityof 100
44
CVSS 9.9 (ADP)9.9 / 10 × 3029.7Not in CISA KEV+300.0EPSS percentile 71.3.713 × 2014.3No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

A vulnerability allowing a Backup Viewer to perform remote code execution (RCE) as the postgres user.

Affected

ProductAffectedFixed inSource
Backup and Replication12 – < 12.3.212.3.2CNA
Backup and Replication13 – < 13.0.113.0.1CNA

Scores by source

CISA ADP9.9CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refveeam.com/kb4831refveeam.com/kb4830