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Exploits
ID:12618 - Exploit for Origin validation error in nginx-ui - CVE-2026-34403
ID:12618 - Exploit for Origin validation error in nginx-ui - CVE-2026-34403
Published: April 21, 2026
Vulnerability identifier: #VU126634
Vulnerability risk: High
CVE-ID: CVE-2026-34403
CWE-ID: CWE-346
Exploitation vector: Remote access
Vulnerable software:
nginx-ui
nginx-ui
Link to public exploit:
Vulnerability description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the Cross-Site WebSocket Hijacking (CSWSH) issue within missing origin validation on all WebSocket endpoints. A remote attacker can gain access to sensitive information on the system, leading to arbitrary code execution.
Remediation
Install updates from vendor's website.