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CVE-2026-88263

HIGHCVSS 8.7/10EPSS 0.56%

Last modified

CVE-2026-88263 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. 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.. EPSS estimates a 0.56% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 4.0
8.7/10

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:X/V:X/RE:X/U:X

CVSS 3.0
7.5/10

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

EPSS Probability
0.56%

45.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
XikeStorSKS8310-8X< V1.04.B09
XikeStorSKS8300-8T< V1.04.B09
XikeStorSKS8300-12E2T2X< V1.04.B09

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is 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.
How severe is CVE-2026-88263?
CVE-2026-88263 has a CVSS score of 8.7/10 (HIGH severity). The EPSS model estimates a 0.56% probability of exploitation in the next 30 days.
How do I fix CVE-2026-88263?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST