Vulnerability in Pi-Hole
CVE-2026-50130
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (16.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 16.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Pi-Hole — versions >= 6.0.0, < 6.4.3
Weakness classification (CWE)
References
- github.com/pi-hole/pi-hole/security/advisories/GHSA-h8w9-qx2v-wrww (Exploit, Mitigation, Vendor Advisory)
- github.com/pi-hole/pi-hole/commit/18002bf7c6bf382fe5861d01321f427019e1be89 (Patch)
- github.com/pi-hole/pi-hole/releases/tag/v6.4.3 (Product, Release Notes)
Frequently asked questions
- What is CVE-2026-50130?
- CVE-2026-50130 is a high-severity vulnerability in Pi-Hole, classified under CWE-282. CVSS score: 8.8/10. Published 2026-07-14.
- How severe is CVE-2026-50130?
- High severity. CVSS v3 base score is 8.8 out of 10.