Is CVE-2026-49472 in the CISA KEV catalog?

No. CVE-2026-49472 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-49472?

CVE-2026-49472 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2026-49472?

CVE-2026-49472 has an EPSS score of 0.22% (13th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-49472?

Upgrade freeswitch to 1.11.0 or later.

CVE & CISA-KEV Catalog

CVE-2026-49472

MEDIUM

5.3

CVSS v3

NVD

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 1.11.0, FreeSWITCH includes a vulnerable function, PREFIX(prologTok)(), in libs/xmlrpc-c/lib/expat/xmltok/xmltok_impl.c, which was cloned from an outdated and vulnerable version in libexpat/libexpat. The function did not receive the corresponding security patch. This issue has been patched in version 1.11.0.

CWE-116

How to fix

Remediation Available

freeswitchNVD

Affected:< 1.11.0Fixed in:1.11.0CVE-2026-49472derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.22%probability of exploitation in 30 days

13thpercentile

Low risk: more likely to be exploited than 13% of all known CVEs.

References

Third-Party Advisory1

github.com

Release Notes1

github.com

Embed a live status badge for CVE-2026-49472

Markdown

[![CVE-2026-49472](https://tridentstack.com/cve/badge/CVE-2026-49472.svg)](https://tridentstack.com/cve/CVE-2026-49472)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-49472"><img src="https://tridentstack.com/cve/badge/CVE-2026-49472.svg" alt="CVE-2026-49472"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-10.