CVE-2026-10565 (GCVE-0-2026-10565)
Vulnerability from cvelistv5 – Published: 2026-06-02 01:30 – Updated: 2026-06-02 12:22
VLAI
EPSS
VEX
Title
Open5GS NGAP Handover gmm-sm.c gmm_state_security_mode race condition
Summary
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.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-02 12:22 UTC
CWE
- CWE-362 - Race Condition
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/367672 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/367672/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-10565 | third-party-advisory |
| https://vuldb.com/submit/818938 | third-party-advisory |
| https://github.com/open5gs/open5gs/issues/4497 | issue-tracking |
| https://github.com/open5gs/open5gs/pull/4501 | issue-trackingpatch |
| https://github.com/user-attachments/files/2711102… | exploit |
| https://github.com/open5gs/open5gs/ | product |
Impacted products
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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