How severe is CVE-2026-49472?

CVE-2026-49472 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-49472 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-49472?

CVE-2026-49472 affects Freeswitch. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-49472?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-49472 have an EU (EUVD) identifier?

Yes. CVE-2026-49472 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35469.

When was CVE-2026-49472 published?

CVE-2026-49472 was published on 2026-06-09 and last updated on 2026-06-17.

CVE-2026-49472

CVE-2026-49472 is a medium-severity vulnerability in Freeswitch with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-116.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-35469
Weakness: CWE-116
Affected product: Freeswitch
Published: 2026-06-09
Last modified: 2026-06-17

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a vulnerable function, PREFIX(prologTok)(), in libs/xmlrpc-c/lib/expat/xmltok/xmltok_impl.c, which was cloned from an outdated and vulnerable version in libexpat/libexpat.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.

Frequently asked questions

What is CVE-2026-49472?: 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.
How severe is CVE-2026-49472?: CVE-2026-49472 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-49472 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-49472?: CVE-2026-49472 affects Freeswitch. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-49472?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-49472 have an EU (EUVD) identifier?: Yes. CVE-2026-49472 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35469.
When was CVE-2026-49472 published?: CVE-2026-49472 was published on 2026-06-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:freeswitch:freeswitch:*:*:*:*:*:*:*:*

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