CVE-2026-44193

OPNsense: RCE via XMLRPC endpoint using `opnsense.restore_config_section` method

CVSS 9.1 CRITICALEPSS 0.7%CWE-88

Vexday Risk Score

28Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 9.1EPSS 0.7%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

13 May 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected products

opnsense · core

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References

https://github.com/opnsense/core/security/advisories/GHSA-xxp9-93cr-x54p