CVE-2026-88263 XikeStor Layer3 Switches - Authentication Bypass

XikeStor Layer3 switches contain an authentication bypass caused by missing authentication for downloading configuration data, letting unauthenticated attackers retrieve sensitive network configurations and passwords, exploit requires no authentication.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.58% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Information Disclosure, Broken Authentication
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
16 September 2026
Updated
15 October 2026
Weakness
CWE-306

Vendor fix

Update to the latest version with authentication enforcement for configuration downloads.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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