CVE-2026-1683

low-risk
Published 2026-01-30

A vulnerability has been found in Free5GC SMF up to 4.1.0. Affected by this vulnerability is the function HandlePfcpSessionReportRequest of the file internal/pfcp/handler/handler.go of the component PFCP. The manipulation leads to denial of service. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. To fix this issue, it is recommended to deploy a patch.

Do I need to act?

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0.04% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Free5Gc

References (8)

Exploit https://github.com/free5gc/free5gc/issues/804
Exploit https://github.com/free5gc/free5gc/issues/804#issue-3816086696
https://github.com/free5gc/smf/
Issue Tracking https://github.com/free5gc/smf/pull/188
Permissions Required https://vuldb.com/?ctiid.343476
Third Party Advisory https://vuldb.com/?id.343476
Third Party Advisory https://vuldb.com/?submit.739653
Third Party Advisory https://vuldb.com/?submit.739654
26
/ 100
low-risk
Severity 21/34 · High
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal