Open5GS SMF n4-build.c smf_n4_build_qos_flow_to_modify_list denial of service_CVE-2026-8250

5.3 / 10

MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

Description

A vulnerability has been found in Open5GS up to 2.7.7. This affects the function smf_n4_build_qos_flow_to_modify_list of the file /src/smf/n4-build.c of the component SMF. Such manipulation leads to denial of service. The attack can be executed 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.

Basic Information

ID CVE-2026-8250

Source VulDB

Published May 10, 2026 at 22:45

Affected Product

Vendor n/a

Product Open5GS

Version 2.7.0

Affected Versions n/a Open5GS 2.7.0
n/a Open5GS 2.7.1
n/a Open5GS 2.7.2
n/a Open5GS 2.7.3
n/a Open5GS 2.7.4
n/a Open5GS 2.7.5
n/a Open5GS 2.7.6
n/a Open5GS 2.7.7

CWE Classification

CWE-404

References

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    "lastseen": "",
    "description": "A vulnerability has been found in Open5GS up to 2.7.7. This affects the function smf_n4_build_qos_flow_to_modify_list of the file /src/smf/n4-build.c of the component SMF. Such manipulation leads to denial of service. The attack can be executed 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.",
    "published": "2026-05-10T22:45:10.820Z",
    "modified": "2026-05-10T22:45:10.820Z",
    "type": "cve",
    "title": "Open5GS SMF n4-build.c smf_n4_build_qos_flow_to_modify_list denial of service",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/362547\nhttps://vuldb.com/vuln/362547/cti\nhttps://vuldb.com/submit/808476\nhttps://github.com/open5gs/open5gs/issues/4444\nhttps://github.com/open5gs/open5gs/",
    "id": "CVE-2026-8250",
    "bulletinFamily": "",
    "cwe": [
        "CWE-404"
    ],
    "cvelist": null,
    "sourceData": "n/a Open5GS 2.7.0\nn/a Open5GS 2.7.1\nn/a Open5GS 2.7.2\nn/a Open5GS 2.7.3\nn/a Open5GS 2.7.4\nn/a Open5GS 2.7.5\nn/a Open5GS 2.7.6\nn/a Open5GS 2.7.7",
    "sourceHref": "",
    "cvss": {
        "score": 5.3,
        "severity": "MEDIUM",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
        "version": "4.0"
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        "cvssV3": {
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    "href": "",
    "category_name": "CVE",
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    "product": "Open5GS",
    "version": "2.7.0",
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}