How severe is CVE-2026-44193?

CVE-2026-44193 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-44193 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-44193?

CVE-2026-44193 affects Opnsense. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-44193?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-44193 have an EU (EUVD) identifier?

Yes. CVE-2026-44193 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30183.

When was CVE-2026-44193 published?

CVE-2026-44193 was published on 2026-05-13 and last updated on 2026-06-17.

CVE-2026-44193

CVE-2026-44193 is a critical-severity vulnerability in Opnsense with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-88.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-30183
Weakness: CWE-88
Affected product: Opnsense
Published: 2026-05-13
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-44193?: 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.
How severe is CVE-2026-44193?: CVE-2026-44193 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-44193 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-44193?: CVE-2026-44193 affects Opnsense. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-44193?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-44193 have an EU (EUVD) identifier?: Yes. CVE-2026-44193 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30183.
When was CVE-2026-44193 published?: CVE-2026-44193 was published on 2026-05-13 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:opnsense:opnsense:*:*:*:*:*:*:*:*

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