CVE Catalog

CVE-2026-111229

HighCVSS 7.2
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Very high risk
6.37%

94th percentile - higher than 94% of all known CVEs

Summary

pfSense CE 2.7.0 through 2.9.0 contains a command injection vulnerability in services_captiveportal_hasync.php that allows users with only the Captive Portal HA privilege to execute commands as root. Attackers can set backwardsyncip to a malicious XMLRPC server returning connected_users with shell metacharacters in ip or mac fields, which captiveportal_load_pfctl passes unescaped to a pfctl shell command.

Risk Assessment

A user with limited Captive Portal HA privilege can achieve root command execution on the pfSense device.

Recommendation

Update pfSense CE to the patched version and restrict the Captive Portal HA privilege to the minimum necessary.

Other vulnerabilities in pfSense CE

See all
Original NVD description (English source)

pfSense CE 2.7.0 through 2.9.0 contains a command injection vulnerability in services_captiveportal_hasync.php that allows users with only the Captive Portal HA privilege to execute commands as root. Attackers can set backwardsyncip to a malicious XMLRPC server returning connected_users with shell metacharacters in ip or mac fields, which captiveportal_load_pfctl passes unescaped to a pfctl shell command.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS