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CVE-2026-35518

8.8 high SSVC exploitation: poc Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 8.8 · pi-holeNVD modified 2026-10-26 21:10

Affected (CPE criteria) 1

  • cpe:2.3:a:pi-hole:ftldns:*:*:*:*:*:*:*:*

References 1