CVE-2026-87426CWE-200information-disclosure

CVE-2026-87426

Medium · published October 8, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
3.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
5.3 · CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
EPSS
0.00148 · 3.7th percentile
Weakness
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor
Published
2026-10-08T11:16Z
Affected products (1)
ProductVersionsFixed in
broadcom/brocade_active_support_connectivity_gateway< 3.5.03.5.0
References (1)
https://support.broadcom.com/external/content/SecurityAdvisories/0/38393 · [email protected]
EPSS history
Timeline
  • 09 OCT 03:32Z
    EPSS moved — → 0%
    epss
  • 08 OCT 06:54Z
    An unauthenticated network-based attacker can query specific internal management endpoints on Brocade ASCG versions before 3.5.0 to enumerate the configuration…
    cvelistv5
  • 08 OCT 06:54Z
    An unauthenticated network-based attacker can query specific internal management endpoints on Brocade ASCG versions before 3.5.0 to enumerate the configuration…
    cvelistv5