CVE-2026-8270: Open5GS SMF ogs_nas_parse_qos_rules denial of service

Published May 11, 2026
·
Updated

A vulnerability was determined in Open5GS up to 2.7.7. The affected element is the function ogsnasparseqosrules of the component SMF. Executing a manipulation can lead to denial of service. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

Affected Software

2 affected components
open5gs Open5GS SMF<=2.7.7
open5gs open5gs<=2.7.7

Event History

May 11, 2026
CVE Published
via MITRE·03:45 AM
Data Sourced
via MITRE·03:45 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:16 AM
DescriptionSeverityWeaknessAffected Software
Feb 3, 58345
Event
via FIRST·09:40 PM
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Frequently Asked Questions

1

What is the severity of CVE-2026-8270?

CVE-2026-8270 has a high severity due to its potential to cause denial of service.

2

How do I fix CVE-2026-8270?

To fix CVE-2026-8270, upgrade to a version of Open5GS SMF above 2.7.7 where the vulnerability is addressed.

3

What component is affected by CVE-2026-8270?

CVE-2026-8270 affects the ogs_nas_parse_qos_rules function within the SMF component of Open5GS.

4

Can CVE-2026-8270 be exploited remotely?

Yes, CVE-2026-8270 can be exploited remotely, leading to denial of service.

5

Which versions of Open5GS are vulnerable to CVE-2026-8270?

Open5GS versions up to and including 2.7.7 are vulnerable to CVE-2026-8270.

Contact

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