CVE-2026-106076

At a glance

Severity: CRITICAL 9.0
State: PUBLISHED
Published: 2026-10-27
Updated: 2026-10-27
Assigner: hackerone
NVD status: Received

Description

A vulnerability allowing an authenticated organization-transfer peer to inject SQL into the configuration database of the source Veeam Backup for Microsoft 365 server, leading to cross-tenant read and write of configuration data and remote code execution as the PostgreSQL service account.

Scores

Version	Score	Vector	Scored by
CVSS 4.0	CRITICAL 9.0	CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H	hackerone
CVSS 4.0	CRITICAL 9.0	CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X	NVD · support@hackerone.com (Secondary)

Weaknesses (CWE)

CWE-89

European references

ENISA EUVD · EUVD-2026-111123
GCVE · GCVE-0-2026-106076

CERT-FR advisories

CERTFR-2026-AVI-1399 — Multiples vulnérabilités dans les produits Veeam · cert.ssi.gouv.fr

Affected products

Product	Versions
Veeam · Backup for Microsoft 365	affected 8.0 ≤ 8.5.0.1014

References

https://www.veeam.com/kb4957

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD