Remote Code Execution Vulnerability in Termix Web-Based Server Management Platform
CVE-2026-42454

9.9CRITICAL

Key Information:

Vendor

Termix-ssh

Status
Termix
Vendor
CVE Published:
8 May 2026

What is CVE-2026-42454?

Termix, a web-based server management platform, has a vulnerability that allows authenticated attackers to execute arbitrary OS commands on remote servers. This occurs due to inadequate sanitization of the containerId URL path parameter and WebSocket message fields, which are directly interpolated into shell commands during SSH executions. An attacker can exploit this flaw by supplying a malicious container ID, resulting in potential Remote Code Execution. This vulnerability affects all versions prior to 2.1.0, which includes a patch for the issue.

Affected Version(s)

Termix < 2.1.0

References

https://github.com/Termix-SSH/Termix/security/advisories/...
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https://github.com/Termix-SSH/Termix/releases/tag/release...
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CVSS V3.1

Score:
9.9
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.