CVE-2026-65641 PUBLISHED

Assigner: hackerone
Reserved: 22.07.2026 Published: 26.08.2026 Updated: 26.08.2026

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

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:L
CVSS Score: 9.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	Low	Integrity	Low
Attack Requirements	None	Availability	None	Availability	Low
Privileges Required	None
User Interaction	None

CVSS 4.0

Vendor	Veeam
Product	One
Versions	Default: unaffected affected from 0 to 13.1 (excl.) affected from 0 to 13.0.2 (excl.)