Medium 5.3Published Jan 30, 2026

CVE-2026-1684Free5GC SMF PFCP UDP Endpoint pfcp_reports.go HandleReports denial of service

Updated under an hour ago (Oct 26, 2026, 12:50 PM ET)

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It affects Free5GC SMF and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Free5GC SMF

Exploited in the last 30 days

A vulnerability was found in Free5GC SMF up to 4.1.0. Affected by this issue is the function HandleReports of the file /internal/context/pfcp_reports.go of the component PFCP UDP Endpoint. The manipulation results in denial of service. The attack can be executed remotely. It is advisable to implement a patch to correct this issue.

CVSS: 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C
Weakness (CWE): CWE-404
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Modified
Record last updated: Feb 23, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Free5GC SMF free5gc:smf (from the name)	4.0; 4.1.0	CNA record
free5gc free5gc free5gc:free5gc	through 4.1.0	NVD

References

References

https://vuldb.com/?id.343477	vdb-entry, technical-description, third-party-advisory
https://vuldb.com/?ctiid.343477	signature, permissions-required, vdb-entry
https://vuldb.com/?submit.739655	third-party-advisory, vdb-entry
https://vuldb.com/?submit.739656	third-party-advisory, vdb-entry
https://github.com/free5gc/free5gc/issues/806	issue-tracking, exploit, vendor-advisory
https://github.com/free5gc/smf/pull/188	issue-tracking, patch
https://github.com/free5gc/smf/	product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.