CVE-2026-8222: Denial of Service in Open5GS
A vulnerability has been found in Open5GS up to 2.7.7. Affected is the function pcf_nbsf_management_handle_register of the file src/pcf/nbsf-handler.c of the component sm-policies Endpoint. Such manipulation leads to denial of service. The attack may be performed from remote. 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.
AI Analysis
Technical Summary
The vulnerability exists in Open5GS (up to version 2.7.7) within the pcf_nbsf_management_handle_register function of the sm-policies Endpoint component. Manipulating this function remotely can lead to denial of service conditions. The issue was responsibly disclosed to the project, but no response or fix has been issued yet. The CVSS 4.0 base score is 6.9, indicating a medium severity with network attack vector, no privileges or user interaction required, and limited impact on availability.
Potential Impact
Successful exploitation results in denial of service, potentially disrupting the availability of the affected Open5GS component. There is no indication of data confidentiality or integrity impact. The vulnerability can be triggered remotely without authentication.
Mitigation Recommendations
As of the current information, no official patch or remediation is available. Users should monitor the Open5GS project for updates or advisories. Until a fix is released, consider applying network-level protections such as filtering or rate limiting access to the affected service to reduce exposure.
CVE-2026-8222: Denial of Service in Open5GS
Description
A vulnerability has been found in Open5GS up to 2.7.7. Affected is the function pcf_nbsf_management_handle_register of the file src/pcf/nbsf-handler.c of the component sm-policies Endpoint. Such manipulation leads to denial of service. The attack may be performed from remote. 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.
CVSS v4.0
Score 6.9medium
Affected software
pkg:github/open5gs/open5gsRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability exists in Open5GS (up to version 2.7.7) within the pcf_nbsf_management_handle_register function of the sm-policies Endpoint component. Manipulating this function remotely can lead to denial of service conditions. The issue was responsibly disclosed to the project, but no response or fix has been issued yet. The CVSS 4.0 base score is 6.9, indicating a medium severity with network attack vector, no privileges or user interaction required, and limited impact on availability.
Potential Impact
Successful exploitation results in denial of service, potentially disrupting the availability of the affected Open5GS component. There is no indication of data confidentiality or integrity impact. The vulnerability can be triggered remotely without authentication.
Mitigation Recommendations
As of the current information, no official patch or remediation is available. Users should monitor the Open5GS project for updates or advisories. Until a fix is released, consider applying network-level protections such as filtering or rate limiting access to the affected service to reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-05-09T07:35:13.650Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69fff9d3cbff5d8610089c7a
Added to database: 05/10/2026, 03:21:55 UTC
Last enriched: 05/17/2026, 10:09:28 UTC
Last updated: 07/31/2026, 19:23:00 UTC
Views: 82
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