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CVE details

CVE-2026-116786

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to 1.11.2, sofia_handle_sip_i_refer() placed raw Refer-To URI parameters and headers inside a sip_invite_params channel-variable block passed to switch_ivr_originate(). The originate parser treated a comma in the attacker-controlled value as a variable separator, allowing an authenticated caller on a bridged call to inject arbitrary variables into a newly originated leg. An injected execute_on_originate value could invoke the system dialplan application before answer and execute operating-system commands with the FreeSWITCH process privileges. SIP REFER is enabled by default, and the sender needs only a registered account and a call that takes the off-box transfer path, not administrative or Event Socket access. This issue is fixed in version 1.11.2.

Score
8.8 high
Published
2026-11-05
Links
NVD · cve.org · Report wrong data

Matched ports (1)

PortPackageVersionStatusMaintainer
net/freeswitchfreeswitch1.11.1_3unaddressedpi@FreeBSD.org

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Ranges per package from the CVE rows that match this port, in pkg notation with the port's epoch and revision, every bound checked with pkg; one range per epoch the port actually had. make newentry in security/vuxml creates the vid.

  <vuln vid="FIXME (make newentry)">
    <topic>freeswitch -- FIXME</topic>
    <affects>
      <package>
	<name>freeswitch</name>
	<range><lt>1.11.2</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>CVE-2026-116786: FreeSWITCH is a Software Defined Telecom Stack
	  enabling the digital transformation from proprietary telecom
	  switches to a software implementation that runs on any commodity
	  hardware. Prior to 1.11.2, sofia_handle_sip_i_refer() placed raw
	  Refer-To URI parameters and headers inside a sip_invite_params
	  channel-variable block passed to switch_ivr_originate(). The
	  originate parser treated a comma in the attacker-controlled value
	  as a variable separator, allowing an authenticated caller on a
	  bridged call to inject arbitrary variables into a newly originated
	  leg. An injected execute_on_originate value could invoke the system
	  dialplan application before answer and execute operating-system
	  commands with the FreeSWITCH process privileges. SIP REFER is
	  enabled by default, and the sender needs only a registered account
	  and a call that takes the off-box transfer path, not administrative
	  or Event Socket access. This issue is fixed in version 1.11.2.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2026-116786</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2026-116786</url>
    </references>
    <dates>
      <discovery>2026-11-05</discovery>
      <entry>2026-11-05</entry>
    </dates>
  </vuln>