What is CVE-2026-41448?

CVE-2026-41448 is a critical-severity vulnerability, classified under Path Traversal. CVSS score: 9.4/10. Published 2026-06-08.

How severe is CVE-2026-41448?

Critical severity. CVSS v3 base score is 9.4 out of 10.

CVE-2026-41448

CVE-2026-41448

AdGuard Home, when started with the --glinet flag, contains an authentication bypass vulnerability that allows unauthenticated attackers to gain full admin access by supplying a path traversal sequence in the Admin-Token cookie, exploiting…

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 9.4 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L.

Weakness classification (CWE)

CWE-22 — Path Traversal

References

disclosure@vulncheck.com
disclosure@vulncheck.com

Frequently asked questions

What is CVE-2026-41448?: CVE-2026-41448 is a critical-severity vulnerability, classified under Path Traversal. CVSS score: 9.4/10. Published 2026-06-08.
How severe is CVE-2026-41448?: Critical severity. CVSS v3 base score is 9.4 out of 10.