Critical severity9.1NVD Advisory· Published May 13, 2026· Updated May 15, 2026

CVE-2026-45158

Description

OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.8, unsanitized user input is passed to the DHCP configuration of the configured interface, which is processed by a shell script, allowing remote code execution as root on the underlying operating system. This vulnerability is fixed in 26.1.8.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Opnsense/Opnsensellm-fuzzy
Range: <26.1.8

Patches

Vulnerability mechanics

References

github.com/opnsense/core/security/advisories/GHSA-5rx3-w735-74wmnvdVendor Advisory

News mentions

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cvss	0.591
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000