CVE-2026-1683
MEDIUMfree5gc < 4.1.0 - Denial of Service in PFCP HandlePfcpSessionReportRequest
Title source: llmDescription
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.
References (8)
Core 8
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.343476
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.343476
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.739653
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.739654
Exploit, Issue Tracking issue-tracking
https://github.com/free5gc/free5gc/issues/804
Exploit, Issue Tracking, Vendor Advisory exploit
issue-tracking
https://github.com/free5gc/free5gc/issues/804#issue-3816086696
Issue Tracking issue-tracking
patch
https://github.com/free5gc/smf/pull/188
Various Sources product
https://github.com/free5gc/smf/
Scores
CVSS v3
5.3
EPSS
0.0064
EPSS Percentile
45.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-404
Status
published
Products (1)
free5gc/free5gc
< 4.1.0
Published
Jan 30, 2026
Tracked Since
Feb 18, 2026