Open5GS AMF nsmf-handler.c amf_nsmf_pdusession_handle_update_sm_context denial of service_CVE-2026-7587

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 vulnerability affects the function amf_nsmf_pdusession_handle_update_sm_context of the file /src/amf/nsmf-handler.c of the component AMF. The manipulation leads to denial of service. It is possible to initiate the attack 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-2026-7587

Source VulDB

Published May 1, 2026 at 16:45

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 vulnerability affects the function amf_nsmf_pdusession_handle_update_sm_context of the file /src/amf/nsmf-handler.c of the component AMF. The manipulation leads to denial of service. It is possible to initiate the attack 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": "2026-05-01T16:45:09.996Z",
    "modified": "2026-05-01T16:45:09.996Z",
    "type": "cve",
    "title": "Open5GS AMF nsmf-handler.c amf_nsmf_pdusession_handle_update_sm_context denial of service",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/360540\nhttps://vuldb.com/vuln/360540/cti\nhttps://vuldb.com/submit/804339\nhttps://github.com/open5gs/open5gs/issues/4408\nhttps://github.com/open5gs/open5gs/",
    "id": "CVE-2026-7587",
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    "cwe": [
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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",
        "version": "4.0"
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    "category_name": "CVE",
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    "product": "Open5GS",
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