CVE-2026-18265

critical · 9.8

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.

9.8

CVSS

1.0%

EPSS (exploit prob.)

64th

EPSS percentile

2026-08-20

Published

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-306

References

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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-18265