Low
Open5GS SMF n4-build.c smf_n4_build_qos_flow_to_modify_list denial of service
Type: advisorySources: OSV
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-8250
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 16:29 UTC · Revision 1
Source evidence
Open5GS SMF n4-build.c smf_n4_build_qos_flow_to_modify_list denial of service
core-osv · Original sourcePublished 10 May 2026, 22:45 UTC
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.
osv:CVE-2026-8250
Complete source record
{
"id": "0e9f73fb5dec65998bdaaf12a8aeed0d61bc251724ec29bc72ebd49291a991f3",
"url": "https://osv.dev/vulnerability/CVE-2026-8250",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Open5GS SMF n4-build.c smf_n4_build_qos_flow_to_modify_list denial of service",
"summary": "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.",
"evidence": "osv:CVE-2026-8250",
"products": [],
"severity": "low",
"structured": {
"id": "CVE-2026-8250",
"aliases": [
"CVE-2026-8250"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "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"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/open5gs/open5gs",
"type": "GIT",
"events": [
{
"introduced": "83e35bb2de7e67646fdba849580184422b10006a"
},
{
"last_affected": "318eeb49a7dcdff733dec60e02d9c60aefca2fb9"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "2.7.0"
},
{
"last_affected": "2.7.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "2.7.1"
},
{
"last_affected": "2.7.1"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "2.7.2"
},
{
"last_affected": "2.7.2"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "2.7.5"
},
{
"last_affected": "2.7.5"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "2.7.6"
},
{
"last_affected": "2.7.6"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "2.7.7"
},
{
"last_affected": "2.7.7"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"cpe": "cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "2.7.7"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"2.7.0",
"2.7.1",
"2.7.2",
"2.7.5",
"2.7.6",
"2.7.7",
"v2.7.7",
"v2.7.2",
"v2.7.1",
"v2.7.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-8250.json"
}
}
],
"modified": "2026-10-28T02:30:51.108629742Z",
"provider": "osv",
"references": [
"https://github.com/open5gs/open5gs/",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8250.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-8250",
"https://vuldb.com/submit/808476",
"https://vuldb.com/vuln/362547",
"https://github.com/open5gs/open5gs/issues/4444",
"https://vuldb.com/vuln/362547/cti"
],
"provider_metadata": {
"cwe_ids": [
"CWE-404"
],
"cna_assigner": "VulDB",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"introduced": "2.7.3"
},
{
"last_affected": "2.7.3"
},
{
"introduced": "2.7.4"
},
{
"last_affected": "2.7.4"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
}
]
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8250.json"
}
},
"related_cves": [
{
"value": "CVE-2026-8250",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 519873,
"published_at": "2026-05-10T22:45:10.82+00:00"
}