by Kastro
Paper/Archive/CVE-2026-65641

CVE-2026-65641

Veeam One — A vulnerability allowing an unauthenticated network attacker to coerce SMB authentication from the service account.

EPSS 0.5%CVSS 9.3
critical.is priorityof 100
37
CVSS 9.3 (CNA)9.3 / 10 × 3027.9Not in CISA KEV+300.0EPSS percentile 45.6.456 × 209.1No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

A vulnerability allowing an unauthenticated network attacker to coerce SMB authentication from the service account.

Affected

ProductAffectedFixed inSource
One< 13.113.1CNA
One< 13.0.213.0.2CNA

Scores by source

hackerone (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:L
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: partial

References

refveeam.com/kb4905