OSNEXUS QuantaStor Missing Authentication Remote Code Execution Vulnerability
July 29th, 2026
Vulnerability Details
This vulnerability allows remote attackers to execute arbitrary code on affected installations of OSNEXUS QuantaStor. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the configuration of Kapacitor. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to execute code in the context of root.
Additional Details
Fixed in QuantaStor 6.8.0
https://wiki.osnexus.com/index.php?title=QuantaStor_6.8.0_Upgrade_Instructions
Disclosure Timeline
- 2026-06-10 - Vulnerability reported to vendor
- 2026-07-29 - Coordinated public release of advisory
- 2026-07-29 - Advisory Updated
Credit
Anonymous
