CVE-2026-7780

A weakness has been identified in Open5GS up to 2.7.7. Affected by this vulnerability is the function udm_state_operational of the file /src/udm/udm-sm.c of the component smf-registrations Endpoint. Executing a manipulation can lead to denial of service. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks. 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/4419
https://vuldb.com/submit/806250
https://vuldb.com/vuln/360977
https://vuldb.com/vuln/360977/cti

Configurations

No configuration.

History

04 May 2026, 22:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-04 22:16

Updated : 2026-05-05 19:10

NVD link : CVE-2026-7780

Mitre link : CVE-2026-7780

CVE.ORG link : CVE-2026-7780

JSON object : View

Products Affected

No product.

CWE

CWE-404

Improper Resource Shutdown or Release

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