CVE-2026-90465

Published Oct 27, 2026 Modified Oct 29, 2026 CWE-77 CWE-290 CWE-306 CWE-862

Description

A missing authentication vulnerability in the FireCluster Sync processing allows an attacker positioned on the cluster interconnect, such as a compromised cluster peer or an on-path network attacker, to invoke privileged firewall management actions as root by sending a specially crafted request.

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EPSS — Exploit Prediction

0.0024
Probability of exploitation
0.15%
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-77 CWE-77
CWE-290 CWE-290
CWE-306 Missing Authentication
CWE-862 Missing Authorization

References

Frequently Asked Questions

What is CVE-2026-90465? +
A missing authentication vulnerability in the FireCluster Sync processing allows an attacker positioned on the cluster interconnect, such as a compromised cluster peer or an on-path network attacker, to invoke privileged firewall management actions as root by sending a specially crafted request.
How do I check if I'm vulnerable to CVE-2026-90465? +
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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