Search: 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.

Two critical vulnerabilities affecting IBM Aspera Faspex and SignalWire FreeSwitch have been exploited in attacks. CVE-2026-123218 is an authorization bypass in IBM Aspera Faspex allowing authenticated users to gain full administrative privileges. CVE-2026-116779 is a code injection vulnerability in SignalWire FreeSwitch that can lead to sensitive information disclosure, arbitrary call control, and command execution. Both vulnerabilities have high severity scores (9.8) and have been added to CISA's Known Exploited Vulnerabilities catalog with urgent patching guidance.