CVE-2026-44693 HIGH

CVE-2026-44693: Pi-hole FTL: Unauthenticated Session Hijacking via Race Condition on Global Session Buffer

Vendor Pi-Hole
Product FTL
Weakness CWE-362
Published June 10, 2026
Last update June 12, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Pi-hole FTL is the core engine of the Pi-hole network-level advertisement and tracker blocker. Prior to version 6.6.1, Pi-hole FTL contains a race condition vulnerability in the HTTP session management subsystem, introduced with the v6.0 rewrite of the embedded CivetWeb-based web server. This issue has been patched in version 6.6.1.

Key dates

02Disclosure timeline

June 10, 2026 CVE published
June 12, 2026 Record updated