CVE-2026-8269

MEDIUM

Open5GS SMF smf_nsmf_handle_create_sm_context denial of service

Title source: cna
STIX 2.1

Description

A vulnerability was found in Open5GS up to 2.7.7. Impacted is the function smf_nsmf_handle_create_sm_context of the component SMF. Performing a manipulation results in denial of service. Remote exploitation of the attack is possible. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

References (5)

Core 5
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-362566 | Open5GS SMF smf_nsmf_handle_create_sm_context denial of service
https://vuldb.com/vuln/362566
Signature, Permissions Required signature permissions-required
VDB-362566 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/362566/cti
Third Party Advisory third-party-advisory
Submit #808486 | Open5gs SMF v2.7.7 Denial of Service
https://vuldb.com/submit/808486
Exploit exploit issue-tracking
https://github.com/open5gs/open5gs/issues/4450

Scores

CVSS v3 4.3
EPSS 0.0047
EPSS Percentile 36.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-404
Status published
Products (9)
None/Open5GS 2.7.0
None/Open5GS 2.7.1
None/Open5GS 2.7.2
None/Open5GS 2.7.3
None/Open5GS 2.7.4
None/Open5GS 2.7.5
None/Open5GS 2.7.6
None/Open5GS 2.7.7
open5gs/open5gs < 2.7.7
Published May 11, 2026
Tracked Since May 11, 2026