CVE-2026-65184
criticalThe root-privileged `wsserver` terminal-bridge daemon builds a shell command from client-supplied WebSocket fields and passes it to `system()` and `popen()` wi…
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.
CVSS
9.8
9.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (44488dab-36db-4358-99f9-bc116477f914)
Timeline (UTC)
Published: 2026-10-26 15:16
Modified: 2026-10-26 18:41
NVD status: Deferred
Last synced 2 days ago
Verified against the source API 2026-10-27 07:06 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://www.runzero.com/advisories/avocent-acs8000-wsserver-cmdinj-cve-2026-65184 44488dab-36db-4358-99f9-bc116477f914
- https://www.runzero.com/blog/lights-out-exposed/ 44488dab-36db-4358-99f9-bc116477f914
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:06 UTC · record ↗