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Vulnerability record · CVE-2026-88263 · published 16 September 2026

CVE-2026-88263: Missing authentication for critical function vulnerability

XikeStor Layer3 switches miss authentication for downloading configuration data. Unauthenticated attacker may retrieve the configuration data containing network configurations and passwords to operate the affected product improperly or to exploit the affected product as a jump host.

8.7 CVSS 4.0 High EPSS 0.59% · top 54.3% CWE-306 · Missing authentication for critical function Deferred
8.7CVSS 4.0 base score
0.59%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
16 Sep 2026Last modified by NVD

Description

XikeStor Layer3 switches miss authentication for downloading configuration data. Unauthenticated attacker may retrieve the configuration data containing network configurations and passwords to operate the affected product improperly or to exploit the affected product as a jump host.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://jvn.jp/en/jp/JVN45281119/
https://www.xikestor.com/security-advisory/

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Source: NIST National Vulnerability Database (record CVE-2026-88263), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.