CVE-2026-8223: Denial of Service in Open5GS
A vulnerability was found in Open5GS up to 2.7.7. Affected by this vulnerability is the function pcf_sess_sbi_discover_and_send of the component sm-policies Endpoint. Performing a manipulation results in denial of service. It is possible to initiate the attack 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.
AI Analysis
Technical Summary
This vulnerability in Open5GS (up to version 2.7.7) involves the pcf_sess_sbi_discover_and_send function within the sm-policies endpoint. An attacker can remotely manipulate this function to cause a denial of service condition. The CVSS 4.0 base score is 6.9, reflecting network attack vector, no privileges or user interaction required, and low impact on availability. The issue was reported early to the project but no response or fix has been provided as of the publication date.
Potential Impact
Successful exploitation results in denial of service, potentially disrupting the affected Open5GS component's operation. The impact is limited to availability degradation. There is no indication of confidentiality or integrity compromise. The vulnerability can be exploited remotely without authentication, increasing the attack surface.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or temporary workaround has been published, users should monitor vendor channels for updates. Until a patch is available, consider restricting network access to the affected endpoint to trusted sources if feasible.
CVE-2026-8223: Denial of Service in Open5GS
Description
A vulnerability was found in Open5GS up to 2.7.7. Affected by this vulnerability is the function pcf_sess_sbi_discover_and_send of the component sm-policies Endpoint. Performing a manipulation results in denial of service. It is possible to initiate the attack 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.
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
This vulnerability in Open5GS (up to version 2.7.7) involves the pcf_sess_sbi_discover_and_send function within the sm-policies endpoint. An attacker can remotely manipulate this function to cause a denial of service condition. The CVSS 4.0 base score is 6.9, reflecting network attack vector, no privileges or user interaction required, and low impact on availability. The issue was reported early to the project but no response or fix has been provided as of the publication date.
Potential Impact
Successful exploitation results in denial of service, potentially disrupting the affected Open5GS component's operation. The impact is limited to availability degradation. There is no indication of confidentiality or integrity compromise. The vulnerability can be exploited remotely without authentication, increasing the attack surface.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or temporary workaround has been published, users should monitor vendor channels for updates. Until a patch is available, consider restricting network access to the affected endpoint to trusted sources if feasible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-05-09T07:35:21.709Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69fff9d3cbff5d8610089c81
Added to database: 05/10/2026, 03:21:55 UTC
Last enriched: 05/17/2026, 10:48:24 UTC
Last updated: 07/31/2026, 19:23:00 UTC
Views: 82
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