CVE-2026-10565

LOW

Open5GS NGAP Handover gmm-sm.c gmm_state_security_mode race condition

Title source: cna
STIX 2.1

Description

A security flaw has been discovered in Open5GS up to 2.7.6. The impacted element is the function gmm_state_security_mode 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.

References (8)

Core 8
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-367672 | Open5GS NGAP Handover gmm-sm.c gmm_state_security_mode race condition
https://vuldb.com/vuln/367672
Signature, Permissions Required signature permissions-required
VDB-367672 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/367672/cti
Third Party Advisory third-party-advisory
CVE-2026-10565 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-10565
Third Party Advisory third-party-advisory
Submit #818938 | open5gs v2.7.6 Race Condition
https://vuldb.com/submit/818938
Issue Tracking issue-tracking
https://github.com/open5gs/open5gs/issues/4497

Scores

CVSS v3 3.1
EPSS 0.0022
EPSS Percentile 12.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/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-362
Status published
Products (7)
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
Published Jun 02, 2026
Tracked Since Jun 02, 2026