CVE-2026-7706

Open5GS AMF gmm-handler.c gmm_handle_service_request denial of service

MEDIUM
4.3
CVSS Score
Published: May 3, 2026 at 10:15 PM UTC
Updated: June 17, 2026 at 11:02 AM UTC
1 product affected across 1 vendorOpen5GS

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.3%
SSVC
PoC

Description

A vulnerability has been found in Open5GS up to 2.7.7. This issue affects the function gmm_handle_service_request of the file /src/amf/gmm-handler.c of the component AMF. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/360882
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/360882/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/805698
ExploitIssue Tracking
Source: cverecord
https://github.com/open5gs/open5gs/issues/4409
Product
Source: cverecord
https://github.com/open5gs/open5gs/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-404

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