CVE-2026-88263: Missing Auth (CVSS 7.5)

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.

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CVSS v3.1 Score

7.5

HIGH

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

EPSS — Exploit Prediction

0.0056

Probability of exploitation

0.45%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-306 Missing Authentication

References

Other References

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

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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-88263? +

CVE-2026-88263 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0056, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-88263? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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