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CVE details

CVE-2026-116779

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 1.11.3, sofia_presence_handle_sip_i_message() split the To user of an inbound SIP MESSAGE on a plus sign and treated the left side as a chat protocol selector. Selecting the api chat proto reached switch_api_execute(), allowing a peer whose MESSAGE was accepted to run FreeSWITCH API commands, including operating-system command sinks, with the daemon's privileges. Inbound chat is enabled on the stock internal and external profiles, and any authenticated profile account is sufficient; stock directory users without password material can also remove that barrier in affected configurations. The flaw permits configuration and credential disclosure, arbitrary call control, and command execution, and exploitation has been observed in the wild. This issue is fixed in version 1.11.3.

Score
9.8 critical
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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  <vuln vid="FIXME (make newentry)">
    <topic>freeswitch -- FIXME</topic>
    <affects>
      <package>
	<name>freeswitch</name>
	<range><lt>1.11.3</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>CVE-2026-116779: 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 1.11.3, sofia_presence_handle_sip_i_message()
	  split the To user of an inbound SIP MESSAGE on a plus sign and
	  treated the left side as a chat protocol selector. Selecting the
	  api chat proto reached switch_api_execute(), allowing a peer whose
	  MESSAGE was accepted to run FreeSWITCH API commands, including
	  operating-system command sinks, with the daemon's privileges.
	  Inbound chat is enabled on the stock internal and external
	  profiles, and any authenticated profile account is sufficient;
	  stock directory users without password material can also remove
	  that barrier in affected configurations. The flaw permits
	  configuration and credential disclosure, arbitrary call control,
	  and command execution, and exploitation has been observed in the
	  wild. This issue is fixed in version 1.11.3.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2026-116779</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2026-116779</url>
    </references>
    <dates>
      <discovery>2026-11-05</discovery>
      <entry>2026-11-05</entry>
    </dates>
  </vuln>