CVE-2026-10565: Open5GS NGAP Handover gmm-sm.c gmm_state_security_mode race condition

Published Jun 2, 2026
·
Updated

A security flaw has been discovered in Open5GS up to 2.7.6. The impacted element is the function gmmstatesecuritymode of the file src/amf/gmm-sm.c of the component NGAP Handover. Performing a manipulation results in race condition. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitability is regarded as difficult. The exploit has been released to the public and may be used for attacks. The pull request to fix this issue awaits acceptance.

Affected Software

1 affected component
open5gs open5gs<=2.7.6

Event History

Jun 2, 2026
CVE Published
via MITRE·01:30 AM
Data Sourced
via MITRE·01:30 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:16 AM
DescriptionSeverityWeakness
Oct 21, 58387
Event
via NVD·07:40 AM
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Frequently Asked Questions

1

What is the severity of CVE-2026-10565?

The severity of CVE-2026-10565 is classified as low with a base score of 3.1.

2

How do I fix CVE-2026-10565?

To fix CVE-2026-10565, it's recommended to update Open5GS to a version later than 2.7.6.

3

What is the impact of CVE-2026-10565?

The impact of CVE-2026-10565 includes a potential race condition in the gmm_state_security_mode function that can be exploited remotely.

4

Which software is affected by CVE-2026-10565?

CVE-2026-10565 affects Open5GS versions up to and including 2.7.6.

5

Can CVE-2026-10565 be exploited remotely?

Yes, CVE-2026-10565 can be exploited remotely due to the nature of the attack vector.

Contact

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