Medium severity · published Oct 8, 2026
CVE-2026-87426
An unauthenticated network-based attacker can query specific internal management endpoints on Brocade ASCG versions before 3.5.0 to enumerate the configuration details and state…
4.3
CVSS
0.1%
EPSS
No
On KEV
Description
An unauthenticated network-based attacker can query specific internal management endpoints on Brocade ASCG versions before 3.5.0 to enumerate the configuration details and state of managed Brocade Fabric OS (FOS) switches. This results in the unauthorized disclosure of the customer's SAN fabric management topology and switch connectivity attributes.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BA
Brocade Active Support Connectivity Gateway · Brocade
before 3.5.0 · source: vendor, NVD
Affected product
BA
Brocade Active Support Connectivity Gateway
Brocade
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-87426
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-87426
support.broadcom.com
https://support.broadcom.com/external/content/SecurityAdvisories/0/38393
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