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CWE

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CVE-2026-7601

Published: May 2, 2026

Modified: May 4, 2026

PUBLISHED

CVSS v3.1

4.3

MEDIUM

Description

A vulnerability has been found in Open5GS up to 2.7.6. Affected is an unknown function of the file src/amf/gmm-handler.c of the component AMF. The manipulation of the argument reg_type leads to denial of service. The attack is possible to be carried out remotely. Upgrading to version 2.7.7 is able to address this issue. The identifier of the patch is ebc66942b6f8f1fab2d640e71cf4e9f1a423b426. It is advisable to upgrade the affected component.

Vendor	Product	Versions
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)

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:X/RL:O/RC:C

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

References

VDB-360558 | Open5GS AMF gmm-handler.c denial of service

vdb-entry

technical-description

VDB-360558 | CTI Indicators (IOB, IOC, TTP, IOA)

signature

permissions-required

Submit #805675 | Open5GS v.2.7.6 Denial of Service

third-party-advisory

https://github.com/open5gs/open5gs/issues/4321

issue-tracking

https://github.com/open5gs/open5gs/commit/ebc66942b6f8f1fab2d640e71cf4e9f1a423b426

patch

https://github.com/open5gs/open5gs/releases/tag/v2.7.7

patch

https://github.com/open5gs/open5gs/

product

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