Is CVE-2026-10880 in the CISA KEV catalog?

No. CVE-2026-10880 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-10880?

CVE-2026-10880 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2026-10880?

CVE-2026-10880 has an EPSS score of 0.44% (35th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2026-10880

CRITICAL

9.8

CVSS v3

NVD

Description

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.

CWE-89SQL Injection

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.44%probability of exploitation in 30 days

35thpercentile

Low risk: more likely to be exploited than 35% of all known CVEs.

References

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

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-04.