CVE-2026-44693CWE-362

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

High · published June 10, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
26.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00341 · 26.4th percentile
Weakness
CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Published
2026-06-10T22:11Z
EPSS history
Timeline
  • 10 JUN 22:11Z
    Pi-hole FTL: Unauthenticated Session Hijacking via Race Condition on Global Session Buffer
    cvelistv5