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

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 iss...

EUVD-2026-36194

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 iss...

CVE-2026-44693

Pi-hole FTL contains a race condition in the HTTP session management subsystem (global session buffer) introduced with the v6.0 CivetWeb rewrite, allowing unauthenticated session hijacking. It affects versions prior to 6.6.1 and is patched in 6.6.1. CVSS v3.1 is 8.8 (Network, Privileges None, Use...

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

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 iss...

CVE-2026-44693: Concurrent Execution using Shared Resource with Improper Synchronization

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 iss...

PT-2026-48561

Name of the Vulnerable Software and Affected Versions Pi-hole FTL versions prior to 6.6.1 Description A race condition exists in the HTTP session management subsystem of the embedded CivetWeb-based web server. This issue was introduced during the v6.0 rewrite of the server engine. Recommendations...

CVE-2026-35517

FTLDNS pihole-FTL provides an interactive API and also generates statistics for Pi-hole's Web interface. From 6.0 to before 6.6, the Pi-hole FTL engine contains a Remote Code Execution RCE vulnerability in the upstream DNS servers configuration parameter dns.upstreams. This vulnerability allows a...

CVE-2026-35521

FTLDNS pihole-FTL provides an interactive API and also generates statistics for Pi-hole's Web interface. From 6.0 to before 6.6, the Pi-hole FTL engine contains a Remote Code Execution RCE vulnerability in the DHCP hosts configuration parameter dhcp.hosts. This vulnerability allows an authenticat...

CVE-2026-39849 Pi-hole FTL remote code execution via newline injection in dns.interface configuration

Pi-hole FTL is the core engine of the Pi-hole network-level advertisement and tracker blocker. In versions before 6.6.1, the dns.interface configuration field in Pi-hole FTL accepted newline characters without validation, allowing an attacker to inject arbitrary directives into the generated...

CVE-2026-39849 Pi-hole FTL remote code execution via newline injection in dns.interface configuration

Pi-hole FTL is the core engine of the Pi-hole network-level advertisement and tracker blocker. In versions before 6.6.1, the dns.interface configuration field in Pi-hole FTL accepted newline characters without validation, allowing an attacker to inject arbitrary directives into the generated...

EUVD-2026-27498

Pi-hole FTL is the core engine of the Pi-hole network-level advertisement and tracker blocker. In versions before 6.6.1, the dns.interface configuration field in Pi-hole FTL accepted newline characters without validation, allowing an attacker to inject arbitrary directives into the generated...

CVE-2026-39849: Improper Neutralization of CRLF Sequences

Pi-hole FTL is the core engine of the Pi-hole network-level advertisement and tracker blocker. In versions before 6.6.1, the dns.interface configuration field in Pi-hole FTL accepted newline characters without validation, allowing an attacker to inject arbitrary directives into the generated...

CVE-2026-35520

FTLDNS pihole-FTL provides an interactive API and also generates statistics for Pi-hole's Web interface. From 6.0 to before 6.6, the Pi-hole FTL engine contains a Remote Code Execution RCE vulnerability in the DHCP lease time configuration parameter dhcp.leaseTime. This vulnerability allows an...

CVE-2026-35518

FTLDNS pihole-FTL provides an interactive API and also generates statistics for Pi-hole's Web interface. From 6.0 to before 6.6, the Pi-hole FTL engine contains a Remote Code Execution RCE vulnerability in the DNS CNAME records configuration parameter dns.cnameRecords. This vulnerability allows a...

CVE-2026-35520

FTLDNS pihole-FTL provides an interactive API and also generates statistics for Pi-hole's Web interface. From 6.0 to before 6.6, the Pi-hole FTL engine contains a Remote Code Execution RCE vulnerability in the DHCP lease time configuration parameter dhcp.leaseTime. This vulnerability allows an...

CVE-2026-35521

FTLDNS pihole-FTL provides an interactive API and also generates statistics for Pi-hole's Web interface. From 6.0 to before 6.6, the Pi-hole FTL engine contains a Remote Code Execution RCE vulnerability in the DHCP hosts configuration parameter dhcp.hosts. This vulnerability allows an authenticat...

CVE-2026-35491

FTLDNS pihole-FTL provides an interactive API and also generates statistics for Pi-hole's Web interface. From 6.0 to before 6.6, Pi-hole FTL supports a CLI password feature webserver.api.clipw that creates “CLI” API sessions intended to be read-only for configuration changes. While /api/config...

EUVD-2026-19715

FTLDNS pihole-FTL provides an interactive API and also generates statistics for Pi-hole's Web interface. From 6.0 to before 6.6, the Pi-hole FTL engine contains a Remote Code Execution RCE vulnerability in the DHCP hosts configuration parameter dhcp.hosts. This vulnerability allows an authenticat...

CVE-2026-35521 Pi-hole FTL affected by Remote Code Execution (RCE) via dhcp.hosts Newline Injection

FTLDNS pihole-FTL provides an interactive API and also generates statistics for Pi-hole's Web interface. From 6.0 to before 6.6, the Pi-hole FTL engine contains a Remote Code Execution RCE vulnerability in the DHCP hosts configuration parameter dhcp.hosts. This vulnerability allows an authenticat...

CVE-2026-35521

CVE-2026-35521 impact (Pi-hole FTL/FTLDNS). From 6.0 up to but not including 6.6, Pi-hole’s FTL engine contained a Remote Code Execution (RCE) vulnerability in the DHCP hosts configuration parameter (dhcp.hosts). An authenticated attacker could inject arbitrary dnsmasq configuration directives by...