Security Advisory

CVE-2026-49848

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-06-09 16:05:42

Last updated 2026-06-09 16:53:15

Assigner GitHub_M

CVSS score 4.3

State PUBLISHED

Description

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 version 1.11.1, mod_verto's check_auth userauth branch wrote request-supplied userVariables into the connection state before comparing the supplied password. The writes are append-only and the connection is not closed on a failed compare, so values declared on bad-password attempts persisted on the same WebSocket and carried into a subsequent successful login on that connection. This issue has been patched in version 1.11.1.

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