CVE-2026-0869
Authentication bypass in Brocade ASCG 3.4.0 Could allow an unauthorized user to perform ASCG operations related to Brocade Support Link(BSL) and streaming configuration.
Published Mar 3, 2026 · corrected/updated Jun 17, 2026 · broadcom brocade active support connectivity gateway · evidence confidence high
Authentication bypass in Brocade ASCG 3.4.0 Could allow an unauthorized user to perform ASCG operations related to Brocade Support Link(BSL) and streaming configuration. and could even disable the ASCG application or disable use of BSL data collection on Brocade switches within the fabric.
Grounded briefings
Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.
Executive
CVE-2026-0869 is a high public vulnerability record for broadcom brocade active support connectivity gateway. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.
System administrator
Identify whether broadcom brocade active support connectivity gateway is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: broadcom/brocade active support connectivity gateway (3.4.0). Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.
Security analyst
Signals on file: CVSS 8.3, EPSS 0.4%. It is not currently listed in the CISA Known Exploited catalog. Weakness classes: CWE-305. Sources contributing to this record: cve_org, epss, nvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.
Exploitation and remediation
Exploitation evidence
Not listed as known exploited in CISA KEV. Not in the CISA KEV catalog.
Patch and remediation
No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.
Safe detection guidance
Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Mar 3, 2026 · NIST NVD
Detected
Authentication bypass in Brocade ASCG 3.4.0 Could allow an unauthorized user to perform ASCG operations related to Brocade Support Link(BSL) and streaming configuration. and could even disable the ASCG application or disable use of BSL data collection on Brocade switches within the fabric.
Jun 17, 2026 · NIST NVD
Updated
Authentication bypass in Brocade ASCG 3.4.0 Could allow an unauthorized user to perform ASCG operations related to Brocade Support Link(BSL) and streaming configuration. and could even disable the ASCG application or disable use of BSL data collection on Brocade switches within the fabric.
Affected
- cpe broadcom/brocade active support connectivity gateway3.4.0
Sources
- CVE.orgVulnerability recordCVE-2026-0869
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-0869
30-day exploitation probability 0.4%
first.org - NIST NVDVulnerability recordCVE-2026-0869
Authentication bypass in Brocade ASCG 3.4.0 Could allow an unauthorized user to perform ASCG operations related to Brocade Support Link(BSL) and streaming configuration. and could even disable the ASCG application or disable use of BSL data collection on Brocade switches within t
nvd.nist.gov