Unauthenticated SQL Injection in Osnexus Quantastor
CVE-2026-10880

9.8CRITICAL

Key Information:

Vendor

Osnexus

Status
Quantastor
Vendor
CVE Published:
4 June 2026

What is CVE-2026-10880?

OSNexus QuantaStor SDS Manager is vulnerable to SQL injection in the login endpoint. The username field is not properly sanitized before being incorporated into a SQL query, allowing an unauthenticated remote attacker to bypass authentication and log in as an administrator without supplying a valid password.

Affected Version(s)

QuantaStor Linux 5.9 < 6.6.1

References

https://blog.blacklanternsecurity.com/p/cve-2026-10880-os...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.