An OS command injection vulnerability exists in the PAM (Pluggable Authentication Module) session cleanup routines during SSH session termination on Brocade Fabric OS versions before 9.2.2d and 10.0.0 through 10.0.0a1. An authenticated user authenticating via an external directory or AAA service whose username or profile identifier contains shell metacharacters can trigger arbitrary command execution with root privileges when their remote SSH session closes.

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required Low

Attack Requirements Present

User Interaction Passive

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Brocade Fabric OS unaffected
Version Status Constraints
0 affected < 9.2.2d
10.0.0 affected ≤ 10.0.0a1

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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

Security update is provided in Brocade Fabric OS 9.2.2d and 10.0.1

Workaround

No workaround given by the vendor.

References
Link Providers
https://support.broadcom.com/external/content/SecurityAdvisories/0/39147 cve-icon cve-icon
History

Thu, 08 Oct 2026 06:45:00 +0000

Type Values Removed Values Added
Title OS Command Injection in Brocade Fabric OS SSH Session Cleanup

Thu, 08 Oct 2026 05:00:00 +0000

Type Values Removed Values Added
Description An OS command injection vulnerability exists in the PAM (Pluggable Authentication Module) session cleanup routines during SSH session termination on Brocade Fabric OS versions before 9.2.2d and 10.0.0 through 10.0.0a1. An authenticated user authenticating via an external directory or AAA service whose username or profile identifier contains shell metacharacters can trigger arbitrary command execution with root privileges when their remote SSH session closes.
Weaknesses CWE-78
References
Metrics cvssV4_0

{'score': 5.4, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: brocade

Published:

Updated: 2026-10-08T04:35:58.198Z

Reserved: 2026-09-21T20:29:06.560Z

Link: CVE-2026-94579

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-08T05:17:06.247

Modified: 2026-10-08T05:17:06.247

Link: CVE-2026-94579

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-08T06:30:17Z

Weaknesses