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Vulnerability record · CVE-2026-50130 · published 14 July 2026

CVE-2026-50130: Pi-hole vulnerability

Pi Hole · Pi Hole

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.

8.8 CVSS 3.1 High EPSS 0.26% · top 84.4% CWE-282 · CWE-282
8.8CVSS 3.1 base score
0.26%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
30 Jul 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/pi-hole/pi-hole/commit/18002bf7c6bf382fe5861d01321f427019e1be89 Patch
https://github.com/pi-hole/pi-hole/releases/tag/v6.4.3 ProductRelease Notes
https://github.com/pi-hole/pi-hole/security/advisories/GHSA-h8w9-qx2v-wrww ExploitMitigationVendor Advisory
https://github.com/pi-hole/pi-hole/security/advisories/GHSA-h8w9-qx2v-wrww ExploitMitigationVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-50130), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.