What is CVE-2026-44195?

CVE-2026-44195 is a medium-severity vulnerability in Opnsense Core, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 5.3/10. Published 2026-05-13.

How severe is CVE-2026-44195?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Opnsense Core

CVE-2026-44195

OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.7, a logic flaw in the OPNsense lockout_handler allows an unauthenticated attacker to continuously reset the authentication failure counter for their IP address. By i…

EPSS: 0.001 (25.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Opnsense Core — versions < 26.1.7
Opnsense

Weakness classification (CWE)

CWE-307 — Improper Restriction of Excessive Authentication Attempts

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (Exploit)

Frequently asked questions

What is CVE-2026-44195?: CVE-2026-44195 is a medium-severity vulnerability in Opnsense Core, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 5.3/10. Published 2026-05-13.
How severe is CVE-2026-44195?: Medium severity. CVSS v3 base score is 5.3 out of 10.