CVE-2026-35520

HIGH

8.8

Description

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 authenticated attacker to inject arbitrary dnsmasq configuration directives through newline characters, ultimately achieving command execution on the underlying system. This vulnerability is fixed in 6.6.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published4/7/2026

Last Modified4/9/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-78CWE-93

References

https://github.com/pi-hole/FTL/security/advisories/GHSA-fqv2-qhfh-ghcj(security-advisories@github.com)

https://github.com/pi-hole/FTL/security/advisories/GHSA-fqv2-qhfh-ghcj(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.