Categories
CVE-2026-35517

Pi-hole FTL affected by Remote Code Execution (RCE) via dns.upstreams Newline Injection

Summary

Pi-hole FTL affected by Remote Code Execution (RCE) via dns.upstreams Newline Injection

Original description

The description as published by the source.

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 upstream DNS servers configuration parameter (dns.upstreams). 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.

Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV

References

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