CVE-2026-1684

Free5GC SMF PFCP UDP Endpoint pfcp_reports.go HandleReports denial of service

HIGH
7.5
CVSS Score
Published: January 30, 2026 at 02:32 PM UTC
Updated: June 17, 2026 at 10:16 AM UTC
2 products affected across 1 vendorFREE5GCSMF

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Severity
HIGH7.5
Exploit prediction
EPSS 0.6%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (7)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.343477
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.343477
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.739655
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.739656
Issue TrackingExploitVendor Advisory
Source: cverecord
https://github.com/free5gc/free5gc/issues/806
Issue TrackingPatch
Source: cverecord
https://github.com/free5gc/smf/pull/188
Product
Source: cverecord
https://github.com/free5gc/smf/

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-404

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