CVE-2026-111219 is a vulnerability in Netgate Pfsense
Published on October 15, 2026
Netgate pfSense CE through 2.9.0 Command Injection via PPPoE Server Username
Netgate pfSense CE through 2.9.0 contains a newline injection vulnerability in services_pppoe_edit.php that allows privileged users to inject mpd.secret entries via unvalidated username POST fields. Attackers with the PPPoE Server Edit privilege can add a line whose secret begins with '!', making mpd5 run commands as root when a PPPoE client authenticates.
Vulnerability Analysis
CVE-2026-111219 can be exploited with network access, and requires user privileges. This vulnerability is consided to have a high level of attack complexity. Public availability of a proof of concept (POC) exploit exists for CVE-2026-111219. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Type
What is a CRLF Injection Vulnerability?
The software uses CRLF (carriage return line feeds) as a special element, e.g. to separate lines or records, but it does not neutralize or incorrectly neutralizes CRLF sequences from inputs.
CVE-2026-111219 has been classified to as a CRLF Injection vulnerability or weakness.
Products Associated with CVE-2026-111219
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Affected Versions
Netgate pfSense CE:- Before and including 2.9.0 is affected.