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PatchSiren cyber security CVE debrief

CVE-2026-5769 Brocade CVE debrief

A vulnerability in Brocade SANnav before 3.0.1 can have the Brocade Fabric OS switch admin password captured in plaintext within a memory swap file on the server hosting the Brocade SANnav Virtual Machine (VM). This can happen when the SANnav server encounters an Out Of Memory (OOM) condition. The vulnerability could allow an authenticated admin user with access to the server hosting the SANnav to potentially view the memory swap file and access the password(s).

Vendor
Brocade
Product
Brocade SANnav
CVSS
MEDIUM 5.6
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-08
Original CVE updated
2026-10-08
Advisory published
2026-10-08
Advisory updated
2026-10-08

Who should care

Brocade SANnav administrators and users with access to the server hosting the Brocade SANnav Virtual Machine should assess exposure and take remediation steps to prevent potential unauthorized access.

Why it matters

CVE-2026-5769 is a medium-severity vulnerability in Brocade SANnav that can lead to potential unauthorized access to the Brocade Fabric OS switch admin password. Brocade SANnav administrators and users with access to the server hosting the Brocade SANnav Virtual Machine should assess exposure and take remediation steps to prevent potential unauthorized access.

  • Potential unauthorized access to the Brocade Fabric OS switch admin password
  • Possible elevation of privileges for authenticated admin users
  • Required verification of Brocade SANnav version and exposure
  • Necessity for monitoring and restricting access to the server hosting the Brocade SANnav Virtual Machine

Technical summary

The vulnerability exists in Brocade SANnav before version 3.0.1 and can capture the Brocade Fabric OS switch admin password in plaintext within a memory swap file on the server hosting the Brocade SANnav Virtual Machine. This occurs when the SANnav server encounters an Out Of Memory (OOM) condition. An authenticated admin user with access to the server hosting the SANnav could potentially view the memory swap file and access the password(s). The vulnerability could allow potential unauthorized access to the Brocade Fabric OS switch admin password.

Defensive priority

Medium-priority vulnerability remediation is recommended for Brocade SANnav administrators to prevent potential unauthorized access.

Recommended defensive actions

  • Review and update Brocade SANnav to version 3.0.1 or later
  • Restrict access to the server hosting the Brocade SANnav Virtual Machine
  • Monitor for potential unauthorized access to the memory swap file
  • Perform vulnerability assessment to identify potential exposure
  • Implement additional security controls to prevent unauthorized access
  • Verify Brocade SANnav version and configuration
  • Review system logs for suspicious activity

Evidence notes

The CVE description and source metadata indicate that the vulnerability exists in Brocade SANnav before version 3.0.1 and that an authenticated admin user could potentially access the memory swap file and view the Brocade Fabric OS switch admin password.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-5769 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-5769

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-5769 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-5769

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • CVE-2026-5769

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/5xxx/CVE-2026-5769.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://support.broadcom.com/external/content/SecurityAdvisories/0/37934

    Supplemental source

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.