CVE-2026-21671

CRITICAL

9.1

Description

A vulnerability allowing an authenticated user with the Backup Administrator role to perform remote code execution (RCE) in high availability (HA) deployments of Veeam Backup & Replication.

Details CVE

Score CVSS v3.19.1

SeveriteCRITICAL

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisHIGH

Interaction utilisateurNONE

Publie3/12/2026

Derniere modification3/12/2026

Sourcenvd

Observations honeypot0

References

https://www.veeam.com/kb4831(support@hackerone.com)

Correlations IOC

Aucune correlation enregistree

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