What is CVE-2026-66677?

CVE-2026-66677 is a high-severity vulnerability in Vaultdweller Leyka, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 7.6/10. Published 2026-08-20.

How severe is CVE-2026-66677?

High severity. CVSS v3 base score is 7.6 out of 10.

Vulnerability in Vaultdweller Leyka

CVE-2026-66677

Subscriber Broken Authentication in Leyka <= 3.32.3 versions.

CVSS v3 metric

CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L.

Affected products

Vaultdweller Leyka

Weakness classification (CWE)

CWE-288 — Authentication Bypass Using an Alternate Path or Channel

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-66677?: CVE-2026-66677 is a high-severity vulnerability in Vaultdweller Leyka, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 7.6/10. Published 2026-08-20.
How severe is CVE-2026-66677?: High severity. CVSS v3 base score is 7.6 out of 10.