CRITICAL 9.8 NVD

CVE-2026-18265

OSNEXUS QuantaStor Missing Authentication Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected

OSNEXUS QuantaStor Missing Authentication Remote Code Execution Vulnerability. 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. Was ZDI-CAN-30036.

References

https://www.zerodayinitiative.com/advisories/ZDI-26-480/

Published: 2026-08-20 · Source: NVD · Feed updated: 2026-08-20

This critical severity vulnerability with a CVSS score of 9.8 was published on 2026-08-20 via NVD.

Risk Timeline

CVE Disclosed2026-08-20 · -1 days ago

Remediation Resources

Analysis & PoC

www.zerodayinitiative.com/advisories/ZDI-26-480/

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