CVE-2026-65184

CVSS 9.8 (critical) · published 2026-10-26

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.

Weakness: CWE-78

Source: NVD CVE-2026-65184

References

• https://www.runzero.com/advisories/avocent-acs8000-wsserver-cmdinj-cve-2026-65184
• https://www.runzero.com/blog/lights-out-exposed/

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