Description
The root-privileged `wsserver` terminal-bridge daemon builds a shell command from client-supplied WebSocket fields and passes it to `system()` and `popen()` without quoting, escaping, or character-set validation. The daemon's public-key session path performs no appliance-session check.
Published: 2026-10-26
Score: 9.8 Critical
EPSS: n/a
KEV: No
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Remediation

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History

Mon, 26 Oct 2026 15:00:00 +0000

Type Values Removed Values Added
Description The root-privileged `wsserver` terminal-bridge daemon builds a shell command from client-supplied WebSocket fields and passes it to `system()` and `popen()` without quoting, escaping, or character-set validation. The daemon's public-key session path performs no appliance-session check.
Title Avocent ACS8000 wsserver command injection
Weaknesses CWE-78
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: runZero

Published:

Updated: 2026-10-26T16:46:46.017Z

Reserved: 2026-07-21T20:14:34.064Z

Link: CVE-2026-65184

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-26T15:16:41.627

Modified: 2026-10-26T15:16:41.627

Link: CVE-2026-65184

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-26T16:30:11Z

Weaknesses