CVE-2026-8267: Open5GS SMF smf_nsmf_handle_created_data_in_vsmf denial of service

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-05-11 · updated 2026-07-23
Weakness: CWE-404

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.

Affected products

Open5GS: through 2.7.7

References

https://github.com/open5gs/open5gs/
https://github.com/open5gs/open5gs/issues/4448
https://vuldb.com/submit/808484
https://vuldb.com/vuln/362564
https://vuldb.com/vuln/362564/cti
https://vuldb.com/submit/808484

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