Improper Authentication Affecting freeswitch package, versions [,1.11.1)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-UNMANAGED-FREESWITCH-17391825
- published21 Jun 2026
- disclosed9 Jun 2026
- creditCaffinatedSquirrel-OG
Introduced: 9 Jun 2026
CVE-2026-49843 (opens in a new tab)How to fix?
Upgrade freeswitch to version 1.11.1 or higher.
Overview
Affected versions of this package are vulnerable to Improper Authentication via the mod_verto JSON-RPC handler binding the connection to a client-supplied sessid before authentication. An attacker can forcibly disconnect legitimate users by supplying a known session UUID, causing their sessions to be evicted and their calls to be detached.