Auth bypass in Xikestor Sks8300-12e2t2x

CVE-2026-88263

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.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (47.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-88263: held from 0.006 to 0.006.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-88263?
CVE-2026-88263 is a high-severity vulnerability in Xikestor Sks8300-12e2t2x, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2026-09-16.
How severe is CVE-2026-88263?
High severity. CVSS v3 base score is 7.5 out of 10.