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…

PriorityP431medium6.1CVSS 3.1

AVLACLPRLUINSUCNIHAL

EPSS

0.16%

5.2th percentile

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.cli_pw) that creates “CLI” API sessions intended to be read-only for configuration changes. While /api/config correctly blocks CLI sessions from mutating configuration, /api/teleporter allowed Teleporter imports for CLI sessions, enabling a CLI-scoped session to overwrite configuration via a Teleporter archive (authorization bypass). This vulnerability is fixed in 6.6.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
pi-hole	ftl	—	—
pi-hole	ftldns	>= 6.0 < 6.6	6.6

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