CVE-2026-7518

A flaw has been found in Open5GS up to 2.7.7. This issue affects the function amf_namf_callback_handle_sdm_data_change_notify of the file /namf-callback/v1/{id}/sdmsubscription-notify of the component AMF SBI Endpoint. This manipulation of the argument changeItem.newValue causes denial of service. The attack can be initiated remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.

CVSS v3 4.3 MEDIUM
CVSS v2.0 4.0 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:N/I:N/A:P

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/open5gs/open5gs/
https://github.com/open5gs/open5gs/issues/4395
https://vuldb.com/submit/804023
https://vuldb.com/vuln/360332
https://vuldb.com/vuln/360332/cti

Configurations

No configuration.

History

01 May 2026, 01:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-01 01:16

Updated : 2026-05-01 15:26

NVD link : CVE-2026-7518

Mitre link : CVE-2026-7518

CVE.ORG link : CVE-2026-7518

JSON object : View

Products Affected

No product.

CWE

CWE-404

Improper Resource Shutdown or Release

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