Vulnerabilities CVE-2026-50130

CVE-2026-50130

High

Open

TLP:CLEAR

Pi-hole: Local privilege escalation from `pihole` user to root via `/etc/pihole/logrotate`

NVD CVE.org

Critical Infrastructure

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Description

Pi-hole is a DNS sinkhole that protects devices from unwanted content without installing any client-side software. From 6.0 to 6.4.2, a user with code execution as the unprivileged pihole user can escalate to root by replacing /etc/pihole/logrotate. The replacement is laundered to root:root ownership by pihole-FTL-prestart.sh and then parsed as root by the daily pihole flush cron, executing firstaction shell as uid 0. This issue is fixed in version 6.4.3.

Details

CVSS Score: 8.8
EPSS Score ⓘ: 0.25%

16.8th percentile
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Confidence: 90%
Published: Jul 14, 2026
Last Modified: Jul 15, 2026

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