Medium severity · published Oct 8, 2026
CVE-2026-94587
A buffer overflow vulnerability exists in the WebTools administrative interface handling configuration download or file transfer operations of Brocade Fabric OS versions before…
4.5
CVSS
0.2%
EPSS
No
On KEV
Description
A buffer overflow vulnerability exists in the WebTools administrative interface handling configuration download or file transfer operations of Brocade Fabric OS versions before 9.2.2d and 10.0.0 through 10.0.0a1. An authenticated user with permissions to perform configuration downloads using remote server profiles can overflow stack buffers causing a crash of the weblinker daemon.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
Fabric OS · Brocade
before 9.2.2d; 10.0.0 through 10.0.0a1 · source: vendor
FO
Fabric Operating System · Broadcom
before 9.2.2d; 10.0.0 before 10.0.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-94587
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-94587
support.broadcom.com
https://support.broadcom.com/external/content/SecurityAdvisories/0/39136
More from Fabric OS
6.7
CVE-2025-1976
Code injection exposure in Fabric OS 9.1.0 through 9.1.1d6
9.8
CVE-2026-87659
A critical authorization bypass vulnerability exists in the Management Server handling of Brocade Fabric OS versions before 10.0.1
9.8
CVE-2026-87684
A stack-based buffer overflow vulnerability exists in the SNMP daemon request handling of Brocade Fabric versions before 10.0.1
8.8
CVE-2026-94585
An authentication bypass vulnerability exists in the web management interface of Brocade Fabric OS versions before 9.2.2d running on the MXG610 platform
8.8
CVE-2026-94578
Brocade Fabric OS versions before 10.0.1 contain an authorization logic vulnerability in the AAA (Authentication, Authorization, and Accounting) integration framework allows…