CVE-2026-45158
Critical
Published: 13 May 2026
Published
13 May 2026
Modified
14 May 2026
KEV Added
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Patch
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CVSS Score
9.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS Score
0.0023
45.9th percentile
Risk Priority
18
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2026-45158 is a critical-severity Argument Injection (CWE-88) vulnerability. Its CVSS base score is 9.1 (Critical).
Operationally, ranked at the 45.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
NVD 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…
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underlying operating system. This vulnerability is fixed in 26.1.8.
Deeper analysisAI
Automated synthesis unavailable for this CVE.
Details
- CWE(s)