What is CVE-2026-82228?

CVE-2026-82228 is a high-severity vulnerability in Siteground Security, classified under Authentication Bypass by Spoofing. CVSS score: 8.1/10. Published 2026-08-31.

How severe is CVE-2026-82228?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Siteground Security

CVE-2026-82228

Unauthenticated Bypass Vulnerability in SiteGround Security <= 1.6.6 versions.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Siteground Security

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-82228?: CVE-2026-82228 is a high-severity vulnerability in Siteground Security, classified under Authentication Bypass by Spoofing. CVSS score: 8.1/10. Published 2026-08-31.
How severe is CVE-2026-82228?: High severity. CVSS v3 base score is 8.1 out of 10.