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CVE-2026-88263

HIGH
8.7
CVSS Score
Published: September 16, 2026 at 07:29 AM UTC
Updated: September 16, 2026 at 07:44 PM UTC
3 products affected across 1 vendorSKS8300-12E2T2XSKS8310-8XSKS8300-8T

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Severity
HIGH8.7
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

SKS8300-12E2T2X· Xikestor
60%
v < V1.04.B09
Affected range stops below V1.04.B09, so it looks safe — our inference, not a vendor statement
SKS8300-8T· Xikestor
60%
v < V1.04.B09
Affected range stops below V1.04.B09, so it looks safe — our inference, not a vendor statement
SKS8310-8X· Xikestor
60%
v < V1.04.B09
Affected range stops below V1.04.B09, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

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

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.7HIGHjpcert
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-306

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