CVE-2026-1682
Free5GC SMF PFCP UDP Endpoint handler.go HandlePfcpAssociationReleaseRequest null pointer dereference
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
A flaw has been found in Free5GC SMF up to 4.1.0. Affected is the function HandlePfcpAssociationReleaseRequest of the file internal/pfcp/handler/handler.go of the component PFCP UDP Endpoint. Executing a manipulation can lead to null pointer dereference. The attack may be launched remotely. The exploit has been published and may be used. A patch should be applied to remediate this issue.
| CWE | CWE-476 CWE-404 |
| Vendor | free5gc |
| Product | smf |
| Published | Jan 30, 2026 |
| Last Updated | Feb 23, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Free5GC / SMF
4.0 4.1.0
References
vuldb.com: https://vuldb.com/?id.343475 vuldb.com: https://vuldb.com/?ctiid.343475 vuldb.com: https://vuldb.com/?submit.739508 github.com: https://github.com/free5gc/free5gc/issues/794 github.com: https://github.com/free5gc/free5gc/issues/794#issuecomment-3761063382 github.com: https://github.com/free5gc/free5gc/issues/794#issue-3811888505 github.com: https://github.com/free5gc/smf/pull/188 github.com: https://github.com/free5gc/smf/
Credits
🔍 ZiyuLin (VulDB User)