CVE-2026-35518
High · 8.8CVSS
8.8
EPSS
1.0%
Published
Apr 7, 2026
CISA due date
—
The record
FTLDNS (pihole-FTL) provides an interactive API and also generates statistics for Pi-hole's Web interface. From 6.0 to before 6.6, the Pi-hole FTL engine contains a Remote Code Execution (RCE) vulnerability in the DNS CNAME records configuration parameter (dns.cnameRecords). This vulnerability allows an authenticated attacker to inject arbitrary dnsmasq configuration directives through newline characters, ultimately achieving command execution on the underlying system. This vulnerability is fixed in 6.6.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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