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CVE-2026-111227

Netgate pfSense CE through 2.9.0 CRLF Injection via services_unbound_acls.php

Published
Last modified
published
Not listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: partial

Summary

Netgate pfSense CE through 2.9.0 contains a CRLF injection vulnerability in services_unbound_acls.php that allows authenticated users with the DNS Resolver: Access Lists privilege to inject Unbound configuration directives. Attackers can embed CR/LF characters in the aclname or aclaction fields written to access_lists.conf to add local-data, local-zone, or forward-zone directives and control DNS answers served to LAN clients.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Netgate pfSense CE

    through 2.9.0

References 5

GitHub · abraxas/pfsense-unbound-acl-crlf

abraxaslabs.tech

GitHub · pfsense/pfsense

vulncheck.com