CVE-2026-94577: fabric operating — Fix

Description

A privilege escalation vulnerability exists in the internal Command-Line Interface (CLI) authorization handling mechanism of Brocade Fabric OS versions before 9.2.2d and 10.0.0 through 10.0.0a1. An authenticated user or local process that can manipulate the process execution environment can bypass Role-Based Access Control (RBAC) validation checks. Successful exploitation allows an attacker to elevate privileges to root

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CVSS v3.1 Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0010

Probability of exploitation

0.01%

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-15 CWE-15

Affected Products

Vendor	Product	Versions
broadcom	fabric_operating_system	< 9.2.2d
broadcom	fabric_operating_system	10.0.0 — 10.0.1

References

Advisories & Patches

https://support.broadcom.com/external/content/SecurityAdvisories/0/39154

Frequently Asked Questions

What is CVE-2026-94577? +

A privilege escalation vulnerability exists in the internal Command-Line Interface (CLI) authorization handling mechanism of Brocade Fabric OS versions before 9.2.2d and 10.0.0 through 10.0.0a1. An authenticated user or local process that can manipulate the process execution environment can bypass Role-Based Access Control (RBAC) validation checks. Successful exploitation allows an attacker to elevate privileges to root It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2026-94577? +

CVE-2026-94577 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0010, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-94577? +

CVE-2026-94577 affects products from broadcom, specifically: fabric_operating_system. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-94577? +

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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