High severity · published Oct 8, 2026
CVE-2026-87424
A vulnerability in the SupportLink API authentication component of Brocade ASCG versions prior to 3.5.0 allows an attacker to bypass authentication across deployments due to the…
8.8
CVSS
0.2%
EPSS
No
On KEV
Description
A vulnerability in the SupportLink API authentication component of Brocade ASCG versions prior to 3.5.0 allows an attacker to bypass authentication across deployments due to the use of a hard coded cryptographic key.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 9% 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-2026-87424
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-87424
support.broadcom.com
https://support.broadcom.com/external/content/SecurityAdvisories/0/38391
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