Vulnerability · Published Oct 8, 2026 · Assigned by brocade

CVE-2026-85489

High 8.7

In plain English

A high-severity missing authentication in Brocade Active Support Connectivity Gateway from Brocade. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities).

Severity (CVSS 4.0)8.7High

Exploit odds (30 days)0.2%top 88.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

An authentication flaw exists in the Brocade ASCG administrative management service component. An unauthenticated network user can issue direct API requests to perform privileged actions, including accessing sensitive system configuration mapping data, modifying managed device inventories, and altering operational settings. This vulnerability affects all versions of Brocade ASCG before 3.5.0.

Affected products (as reported)

Vendor	Product	Versions
Brocade	Brocade Active Support Connectivity Gateway	0 – before 3.5.0

Weakness: CWE-306 · Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N

References

https://support.broadcom.com/external/content/SecurityAdvisories/0/38388