Open5GS up to 2.7.6 NGAP Handover src/amf/gmm-sm.c gmm_state_security_mode race condition

CVSS Meta Temp Score
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CTI Interest Score
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3.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Open5GS up to 2.7.6 and classified as problematic. This affects the function gmm_state_security_mode of the file src/amf/gmm-sm.c of the component NGAP Handover. Executing a manipulation can lead to race condition. This vulnerability is tracked as CVE-2026-10565. The attack can be launched remotely. Moreover, an exploit is present. The pull request to fix this issue awaits acceptance.

Detailsinfo

A vulnerability has been found in Open5GS up to 2.7.6 and classified as problematic. This vulnerability affects the function gmm_state_security_mode of the file src/amf/gmm-sm.c of the component NGAP Handover. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect availability.

The weakness was disclosed by Seungjoon Na and Jinha Kim with Kookmin University ICSR Lab as 4497. The advisory is shared for download at github.com. This vulnerability was named CVE-2026-10565. The exploitation appears to be difficult. The attack can be initiated remotely. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. The pull request to fix this issue awaits acceptance.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/01/2026 Advisory disclosed
06/01/2026 +0 days VulDB entry created
06/02/2026 +1 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 4497
Researcher: Seungjoon Na, Jinha Kim
Organization: Kookmin University ICSR Lab
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-10565 (🔒)
GCVE (CVE): GCVE-0-2026-10565
GCVE (VulDB): GCVE-100-367672
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/01/2026 18:36
Updated: 06/02/2026 10:47
Changes: 06/01/2026 18:36 (58), 06/02/2026 10:47 (3)
Complete: 🔍
Submitter: Seungjoon Na
Committer: Seungjoon Na
Cache ID: 216::103

Submitinfo

Accepted

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