CVE-2026-7707

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Source
https://cve.org/CVERecord?id=CVE-2026-7707
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-7707.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-7707
Published
2026-05-03T22:30:12.651Z
Modified
2026-07-15T01:49:03.537341260Z
Severity
  • 2.1 (Low) CVSS_V4 - 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 CVSS Calculator
Summary
Open5GS UDR nudr-handler.c udr_nudr_dr_handle_subscription_context denial of service
Details

A vulnerability was found in Open5GS up to 2.7.7. Impacted is the function udrnudrdrhandlesubscription_context of the file /src/udr/nudr-handler.c of the component UDR. The manipulation of the argument pei results in denial of service. The attack can be launched 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.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/7xxx/CVE-2026-7707.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "2.7.3"
                },
                {
                    "last_affected": "2.7.3"
                },
                {
                    "introduced": "2.7.4"
                },
                {
                    "last_affected": "2.7.4"
                }
            ],
            "source": "AFFECTED_FIELD"
        }
    ],
    "cwe_ids": [
        "CWE-404"
    ],
    "cna_assigner": "VulDB"
}
References

Affected packages

Git / github.com/open5gs/open5gs

Affected ranges

Type
GIT
Repo
https://github.com/open5gs/open5gs
Events
Introduced
83e35bb2de7e67646fdba849580184422b10006a
Last affected
318eeb49a7dcdff733dec60e02d9c60aefca2fb9
Database specific 
{
    "extracted_events": [
        {
            "introduced": "2.7.0"
        },
        {
            "last_affected": "2.7.0"
        },
        {
            "introduced": "2.7.1"
        },
        {
            "last_affected": "2.7.1"
        },
        {
            "introduced": "2.7.2"
        },
        {
            "last_affected": "2.7.2"
        },
        {
            "introduced": "2.7.5"
        },
        {
            "last_affected": "2.7.5"
        },
        {
            "introduced": "2.7.6"
        },
        {
            "last_affected": "2.7.6"
        },
        {
            "introduced": "2.7.7"
        },
        {
            "last_affected": "2.7.7"
        }
    ],
    "source": "AFFECTED_FIELD"
}

Affected versions

2.*
2.7.0
2.7.1
2.7.2
2.7.5
2.7.6
2.7.7
v2.*
v2.7.0
v2.7.1
v2.7.2
v2.7.7

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-7707.json"