Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Pi-Hole | Pi-Hole | >= 6.0, < 6.4.3 |
Related Weaknesses (CWE)
References
- https://github.com/pi-hole/pi-hole/commit/18002bf7c6bf382fe5861d01321f427019e1bePatch
- https://github.com/pi-hole/pi-hole/releases/tag/v6.4.3ProductRelease Notes
- https://github.com/pi-hole/pi-hole/security/advisories/GHSA-h8w9-qx2v-wrwwExploitMitigationVendor Advisory
- https://github.com/pi-hole/pi-hole/security/advisories/GHSA-h8w9-qx2v-wrwwExploitMitigationVendor Advisory
FAQ
What is CVE-2026-50130?
CVE-2026-50130 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 esc...
How severe is CVE-2026-50130?
CVE-2026-50130 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-50130?
Check the references section above for vendor advisories and patch information. Affected products include: Pi-Hole Pi-Hole.