CVE-2026-44193— OPNsense: RCE via XMLRPC endpoint using `opnsense.restore_config_section` method
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-44193
Vulnerability Information
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Vulnerability Title
OPNsense: RCE via XMLRPC endpoint using `opnsense.restore_config_section` method
Source: NVD (National Vulnerability Database)
Vulnerability Description
OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.7, the XMLRPC method opnsense.restore_config_section fails to sanitize user supplied input leading to Remote Code Execution. This vulnerability is fixed in 26.1.7.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
参数注入或修改
Source: NVD (National Vulnerability Database)
Vulnerability Title
Deciso OPNsense 参数注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Deciso OPNsense是荷兰Deciso公司的一个防火墙与路由器操作系统。 Deciso OPNsense 26.1.7之前版本存在参数注入漏洞，该漏洞源于XMLRPC方法opnsense.restore_config_section未能清理用户提供的输入，导致远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-44193
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- https://github.com/opnsense/core/security/advisories/GHSA-xxp9-93cr-x54px_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2026-44193
Same Patch Batch · opnsense · 2026-05-13 · 4 CVEs total
| CVE-2026-45158 | 9.1 CRITICAL | OPNsense: Command Injection via Attacker-Controlled DHCP Config |
| CVE-2026-44194 | 9.1 CRITICAL | OPNsense: RCE on user managment |
| CVE-2026-44195 | 5.3 MEDIUM | OPNsense: Authentication lockout bypass |
IV. Related Vulnerabilities
Same product: core
- CVE-2026-45158
OPNsense: Command Injection via Attacker-Controlled DHCP Con - CVE-2026-44194
OPNsense: RCE on user managment - CVE-2026-44195
OPNsense: Authentication lockout bypass - CVE-2026-42552
Flight: Sensitive information disclosure via default error h - CVE-2026-42551
Flight: HTTP method override enabled by default enables CSRF
Same vendor: opnsense
- CVE-2026-45158
OPNsense: Command Injection via Attacker-Controlled DHCP Con - CVE-2026-44194
OPNsense: RCE on user managment - CVE-2026-44195
OPNsense: Authentication lockout bypass - CVE-2026-34578
OPNsense has an LDAP Injection via Unsanitized Username in A - CVE-2026-30868
Cross-Site Request Forgery (CSRF) in opnsense/core
Same weakness: CWE-88
V. Comments for CVE-2026-44193
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