CVE-2026-65184
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductAvocent ACS8000
PublishedOct 26, 2026
First seenOct 26, 2026
Weakness typeCWE-78OS command injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Vertiv Avocent ACS8000 | v ≤ 2.32.4 | — |
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