Open5GS SMF nsmf-handler.c smf_nsmf_handle_update_data_in_vsmf denial of service_CVE-2026-8290

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 security flaw has been discovered in Open5GS up to 2.7.7. This issue affects the function smf_nsmf_handle_update_data_in_vsmf of the file /src/smf/nsmf-handler.c of the component SMF. The manipulation results in denial of service. The attack can be executed remotely. 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.

Basic Information

ID CVE-2026-8290

Source VulDB

Published May 11, 2026 at 13:00

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 security flaw has been discovered in Open5GS up to 2.7.7. This issue affects the function smf_nsmf_handle_update_data_in_vsmf of the file /src/smf/nsmf-handler.c of the component SMF. The manipulation results in denial of service. The attack can be executed remotely. 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.",
    "published": "2026-05-11T13:00:10.000Z",
    "modified": "2026-05-11T13:00:10.000Z",
    "type": "cve",
    "title": "Open5GS SMF nsmf-handler.c smf_nsmf_handle_update_data_in_vsmf denial of service",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/362587\nhttps://vuldb.com/vuln/362587/cti\nhttps://vuldb.com/submit/808507\nhttps://github.com/open5gs/open5gs/issues/4454\nhttps://github.com/open5gs/open5gs/",
    "id": "CVE-2026-8290",
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    "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",
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        "cvssV3": {
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    "product": "Open5GS",
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