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CVE-2026-7779

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CVE-2026-7779

Published: May 4, 2026

Modified: May 5, 2026

PUBLISHED

CVSS v3.1

4.3

MEDIUM

Description

A security flaw has been discovered in Open5GS up to 2.7.7. Affected is the function udm_nudr_dr_handle_subscription_authentication of the file /src/udm/nudr-handler.c of the component authentication-subscription Endpoint. Performing a manipulation results in denial of service. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. 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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