CVE-2026-8267 | THREATINT

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.

PUBLISHED Reserved 2026-05-10 | Published 2026-05-11 | Updated 2026-05-11 | Assigner VulDB

MEDIUM: 5.3CVSS: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

MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

MEDIUM: 4.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

4.0AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR

Problem types

Denial of Service

Timeline

2026-05-10:	Advisory disclosed
2026-05-10:	VulDB entry created
2026-05-10:	VulDB entry last update

Credits

FrankLin (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/362564 (VDB-362564 | Open5GS SMF smf_nsmf_handle_created_data_in_vsmf denial of service) vdb-entry technical-description

vuldb.com/vuln/362564/cti (VDB-362564 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/808484 (Submit #808484 | Open5gs SMF v2.7.7 Denial of Service) third-party-advisory

github.com/open5gs/open5gs/issues/4448 exploit issue-tracking

github.com/open5gs/open5gs/ product

cve.org (CVE-2026-8267)

nvd.nist.gov (CVE-2026-8267)

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