Osnexus QuantaStor up to 6.6.0 Login Endpoint Username sql injection

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Osnexus QuantaStor up to 6.6.0. This issue affects some unknown processing of the component Login Endpoint. This manipulation of the argument Username causes sql injection. This vulnerability appears as CVE-2026-10880. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Osnexus QuantaStor up to 6.6.0 and classified as critical. Affected by this vulnerability is an unknown functionality of the component Login Endpoint. The manipulation of the argument username with an unknown input leads to a sql injection vulnerability. The CWE definition for the vulnerability is CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at blog.blacklanternsecurity.com. This vulnerability is known as CVE-2026-10880 since 06/04/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1505 according to MITRE ATT&CK.

Upgrading to version 6.6.1 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (BLSOPS): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Sql injection
CWE: CWE-89 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: QuantaStor 6.6.1

Timelineinfo

06/04/2026 Advisory disclosed
06/04/2026 +0 days CVE reserved
06/04/2026 +0 days VulDB entry created
06/04/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: blog.blacklanternsecurity.com
Status: Confirmed

CVE: CVE-2026-10880 (🔒)
GCVE (CVE): GCVE-0-2026-10880
GCVE (VulDB): GCVE-100-368383

Entryinfo

Created: 06/04/2026 19:56
Changes: 06/04/2026 19:56 (65)
Complete: 🔍
Cache ID: 216::103

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