Authentication Bypass Vulnerability in XikeStor Layer3 Switches
CVE-2026-88263

8.7HIGH

Key Information:

Vendor

Xikestor

Status
Sks8310-8x
Sks8300-8t
Sks8300-12e2t2x
Vendor
CVE Published:
16 September 2026

What is CVE-2026-88263?

An authentication bypass vulnerability in XikeStor Layer3 switches allows unauthenticated attackers to access sensitive configuration data. This data may reveal critical network configurations and passwords, which could lead to unauthorized operations of the devices. Attackers could potentially exploit this vulnerability to manipulate network settings or use the affected switches as a foothold for further attacks.

Affected Version(s)

SKS8300-12E2T2X 0

SKS8300-8T 0

SKS8310-8X 0

References

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

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

CVSS V3.0

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.