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CVE-2026-7781

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CVE-2026-7781

Published: May 4, 2026

Modified: May 6, 2026

PUBLISHED

CVSS v3.1

4.3

MEDIUM

Description

A security vulnerability has been detected in Open5GS up to 2.7.7. Affected by this issue is the function udm_nudm_uecm_handle_amf_registration_update of the file /src/udm/nudm-handler.c of the component amf-3gpp-access Endpoint. The manipulation leads to denial of service. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

VendorProductVersions

n/a

Open5GS

affected
2.7.0
affected
2.7.1
affected
2.7.2
affected
2.7.3
affected
2.7.4

+3 more versions

Weaknesses (CWE)

CWE-404

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

References

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