Open5GS SMF npcf-handler.c update_authorized_pcc_rule_and_qos denial of service_CVE-2026-8251

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 was found in Open5GS up to 2.7.7. This impacts the function update_authorized_pcc_rule_and_qos of the file /src/smf/npcf-handler.c of the component SMF. Performing a manipulation results in denial of service. The attack is possible to be carried out remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

Basic Information

ID CVE-2026-8251

Source VulDB

Published May 10, 2026 at 23:00

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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    "published": "2026-05-10T23:00:21.455Z",
    "modified": "2026-05-10T23:00:21.455Z",
    "type": "cve",
    "title": "Open5GS SMF npcf-handler.c update_authorized_pcc_rule_and_qos denial of service",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/362548\nhttps://vuldb.com/vuln/362548/cti\nhttps://vuldb.com/submit/808480\nhttps://github.com/open5gs/open5gs/issues/4445\nhttps://github.com/open5gs/open5gs/",
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    "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": {
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