CVE-2026-8267

Open5GS SMF smf_nsmf_handle_created_data_in_vsmf denial of service

State: Published
Severity: 5.3 Medium
Published: May 11, 2026
Updated: May 11, 2026
Reserved: May 10, 2026

Description

A flaw has been found in Open5GS up to 2.7.7. This vulnerability affects the function smf_nsmf_handle_created_data_in_vsmf of the component SMF. This manipulation causes denial of service. The attack may be initiated remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R	VulDB
3.0	4.3 Medium	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R	VulDB
2.0	4.0 Medium	AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR	VulDB

Weaknesses

CWE-404 Denial of Service

Affected Products

Product	Versions
Open5GSn/a	2.7.0Affected 2.7.1Affected 2.7.2Affected 2.7.3Affected 2.7.4Affected 2.7.5Affected 2.7.6Affected 2.7.7Affected

References

VDB-362564 | Open5GS SMF smf_nsmf_handle_created_data_in_vsmf denial of servicevdb-entrytechnical-description
VDB-362564 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
Submit #808484 | Open5gs SMF v2.7.7 Denial of Servicethird-party-advisory
https://github.com/open5gs/open5gs/issues/4448exploitissue-tracking
https://github.com/open5gs/open5gs/product

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