What is CVE-2026-10880?

CVE-2026-10880 is a critical-severity vulnerability in Osnexus Quantastor, classified under SQL Injection. CVSS score: 9.8/10. Published 2026-06-04.

How severe is CVE-2026-10880?

Critical severity. CVSS v3 base score is 9.8 out of 10.

SQL Injection in Osnexus Quantastor

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 authenticat…

Vulnerability class: SQL Injection

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Osnexus Quantastor — versions 5.9

Weakness classification (CWE)

CWE-89 — SQL Injection

References

cves@blacklanternsecurity.com

Frequently asked questions

What is CVE-2026-10880?: CVE-2026-10880 is a critical-severity vulnerability in Osnexus Quantastor, classified under SQL Injection. CVSS score: 9.8/10. Published 2026-06-04.
How severe is CVE-2026-10880?: Critical severity. CVSS v3 base score is 9.8 out of 10.