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SignalWire is a communications technology company founded by the creators of FreeSWITCH. It operates in programmable unified communications and real-time telecommunications, providing cloud infrastructure, APIs, SDKs, and AI-enabled services for voice, messaging, video, SIP, and contact-center applications. Its operating footprint is global and spans developers, carriers, startups, and enterprises.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
As of 10/19/2026, signalwire recorded 1 security vulnerabilities in the last 90 days across 1 products, including 1 rated High or above and 0 known exploited vulnerabilities (KEV) that should be prioritized for immediate remediation.
Over the last 90 days, libks had the most security vulnerabilities in the signalwire ecosystem, with 1 vulnerabilities—approximately 100% of the provider's total vulnerabilities during this period.
CVE-2026-49846libks has path traversal in kws HTTP parser via URI segment overflowCVE-2026-49848FreeSWITCH: Pre-authentication `userVariables` injection in `mod_verto`CVE-2026-49847FreeSWITCH: Stack overflow in bundled cJSON parser via deeply nested JSONCVE-2026-49843FreeSWITCH: Pre-authentication session eviction via attacker-chosen `sessid` in `mod_verto`CVE-2026-49842FreeSWITCH: Pre-authentication bandwidth amplification via `mod_verto` speed-test frames24 Results | Page 1 of 3
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