CVE-2026-35520Disclosure(pi-hole / ftldns)

LOWCVSS 8.8 · HIGH

Signal is active with 3 mentions in latest observed window

Immediate actions

  • Patch pi-hole ftldns systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

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 DHCP lease time configuration parameter (dhcp.leaseTime). 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.

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-78CWE-93

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • ftldns

Threat summary

  • Patch or workaround signal is available
  • 3 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 2 signals
  • Disclosure: 1 classified signal
  • General: 1 classified signal
  • 3 total mentions across 1 day

Affected systems

Vendors
Products
ftldns

Deep dive

Activity timeline3 mentions / 1d
01223Mentions · 2026-04-07: 3Patch / Workaround · 2026-04-07: 1Technical Details · 2026-04-07: 204-07
Signal classification3 categories
Disclosure
133.3%
General
133.3%
Patch
133.3%
Referenced assets3 URLs
Full discourse3 posts
  • CVE@CVEnew
    General

    CVE-2026-35520 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 R… https://www.cve.org/CVERecord?id=CVE-2026-35520

    Post summary

    The snippet references CVE-2026-35520 as affecting Pi‑hole's API but provides no substantive technical, exploit, or mitigation details.

    00000130
    57.0K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-35520 Remote Code Execution in Pi-hole FTL DHCP Lease Time Configuration Parameter https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-35520

    Post summary

    The post announces CVE-2026‑35520, describing it as a remote code execution flaw in Pi‑hole FTL via the DHCP lease time configuration, with no PoC, patch, or exploitation details provided.

    0000046
    4.0K followersView on X
  • CVEFind.com@CveFindCom
    Patch

    [CVE-2026-35520: HIGH] 🔒 Pi-hole FTL engine fixed a critical Remote Code Execution (RCE) vulnerability in versions 6.0 to 6.6. Upgrade to 6.6 now to secure your system! #cybersecurity#cve,CVE-2026-35520,#cybersecurity https://cvefind.com/CVE-2026-35520

    Post summary

    CVE-2026-35520 is a critical RCE vulnerability in Pi‑hole FTL engine versions 6.0–6.6; the issue has been fixed in v6.6 and users are urged to upgrade to secure their systems.

    0000057
    619 followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Apppi-holeftldns---

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