What is CVE-2026-66732?

CVE-2026-66732 is a medium-severity vulnerability in Eukaryot Sonic3air, classified under Origin Validation Error. CVSS score: 5.9/10. Published 2026-08-06.

How severe is CVE-2026-66732?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Eukaryot Sonic3air

CVE-2026-66732

Sonic 3 A.I.R. before commit 2492d18 contains a missing source address validation vulnerability in ConnectionManager where established connections are resolved by a two-byte local connection handle alone without verifying that the datagram…

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Eukaryot Sonic3air — versions 0, 2492d1882cd2cf1cc1d7415729ce5c4fd686cd4f

Weakness classification (CWE)

CWE-346 — Origin Validation Error

References

disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-66732?: CVE-2026-66732 is a medium-severity vulnerability in Eukaryot Sonic3air, classified under Origin Validation Error. CVSS score: 5.9/10. Published 2026-08-06.
How severe is CVE-2026-66732?: Medium severity. CVSS v3 base score is 5.9 out of 10.