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Back to active CVEs
Critical · CVSS 9.8CVE-2026-65184

Avocent ACS8000 wsserver command injectionCVE-2026-65184

Answer in brief

CVE-2026-65184 records a Critical severity (CVSS 9.8) vulnerability in Avocent ACS8000 wsserver command injection. The current sources do not mark it as known exploited. The current feed maps Vertiv/Avocent ACS8000 (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 26, 2026Updated Oct 26, 2026Source checked Oct 26, 2026First seen by HOL Oct 26, 2026Material review Oct 26, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 9.8
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 9.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Vertiv/Avocent ACS8000 (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Vertiv/Avocent ACS8000generic>=0 <=2.32.4Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Vertiv/Avocent ACS8000.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Oct 26, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 26, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 26, 2026

Sources and claim methodology

  • Source referencerunzero.com
  • Source referencerunzero.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Sunwood-ai-labs github-kanban-mcp-server issue-handlers.ts handleListIssues os command injectionAlso CWE-78

Record context

Vulnerability class
Command Injection
EPSS
Not reported
CWE IDs
CWE-78
Source
CVE List V5
Source checked
Oct 26, 2026
References
2 linked sources
Open source record