CVE-2026-7535

A vulnerability was found in Open5GS up to 2.7.7. This affects the function amf_namf_comm_handle_registration_status_update_request in the library /lib/app/ogs-init.c of the file /namf-comm/v1/ue-contexts/{ueContextId}/transfer-update. Performing a manipulation of the argument ueContextId results in denial of service. The attack can be initiated remotely. The exploit has been made public and could 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/4399
https://vuldb.com/submit/804291
https://vuldb.com/submit/804303
https://vuldb.com/vuln/360352
https://vuldb.com/vuln/360352/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-2026-7535

Mitre link : CVE-2026-7535

CVE.ORG link : CVE-2026-7535

JSON object : View

Products Affected

No product.

CWE

CWE-404

Improper Resource Shutdown or Release

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