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CVE-2026-7707

MEDIUM

4.3

Description

A vulnerability was found in Open5GS up to 2.7.7. Impacted is the function udr_nudr_dr_handle_subscription_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.

CVE Details

CVSS v3.1 Score4.3

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published5/3/2026

Last Modified5/3/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-404

References

https://github.com/open5gs/open5gs/(cna@vuldb.com)

https://github.com/open5gs/open5gs/issues/4410(cna@vuldb.com)

https://github.com/open5gs/open5gs/issues/4411(cna@vuldb.com)

https://vuldb.com/submit/805699(cna@vuldb.com)

https://vuldb.com/submit/805700(cna@vuldb.com)

https://vuldb.com/vuln/360883(cna@vuldb.com)

https://vuldb.com/vuln/360883/cti(cna@vuldb.com)

IOC Correlations

No correlations recorded

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