8.8

CVE-2026-87424: broadcom brocade_active_support_connectivity_gateway Use of Hard-coded Cryptographic Key

CVSS: 8.8v3.1HighAnalyzed
Published 08-10-2026Last modified 08-10-2026
Open JSON

Vulnerability summary

CVE-2026-87424 is a high (CVSS 8.8) Use of Hard-coded Cryptographic Key vulnerability in broadcom brocade_active_support_connectivity_gateway. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 8.1% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
0.19%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-10-2026
    PublishedVulnerability first disclosed.
  2. 08-10-2026
    Last modifiedVulnerability information updated.

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 metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.19%

Chance of exploitation in the next 30 days

Percentile

8%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

08-10-202619-10-2026
EPSS score
0.19%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Broadcom1 product
Brocade1 product

2 vendors · 2 products

References

1 links