CVE-2026-8729: Denial of Service in Open5GS
CVE-2026-8729 is a medium severity denial of service vulnerability in Open5GS versions up to 2. 7. 7. It affects an unknown function in the NRF component's /lib/sbi/message. c library. The issue arises from manipulation of the service-names/snssais argument, which can be exploited remotely without user interaction or privileges. Although the exploit is public, no official patch or remediation has been provided by the project as of the publication date.
AI Analysis
Technical Summary
This vulnerability in Open5GS (up to version 2.7.7) involves a denial of service condition triggered by manipulating the service-names/snssais argument within the NRF component's /lib/sbi/message.c library. The flaw can be exploited remotely without requiring user interaction or elevated privileges. The vulnerability has a CVSS 4.0 base score of 5.3 (medium severity) and was publicly disclosed on May 17, 2026. The Open5GS project has not yet responded with an official fix or mitigation guidance.
Potential Impact
Successful exploitation results in denial of service, potentially disrupting the affected Open5GS network function (NRF). This could impair network operations relying on this component. No privilege escalation, data confidentiality, or integrity impacts are indicated. The vulnerability can be triggered remotely, increasing its risk profile.
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 by the Open5GS project, users should monitor official channels for updates. In the meantime, consider limiting exposure of the affected service to untrusted networks if possible.
CVE-2026-8729: Denial of Service in Open5GS
Description
CVE-2026-8729 is a medium severity denial of service vulnerability in Open5GS versions up to 2. 7. 7. It affects an unknown function in the NRF component's /lib/sbi/message. c library. The issue arises from manipulation of the service-names/snssais argument, which can be exploited remotely without user interaction or privileges. Although the exploit is public, no official patch or remediation has been provided by the project as of the publication date.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Open5GS (up to version 2.7.7) involves a denial of service condition triggered by manipulating the service-names/snssais argument within the NRF component's /lib/sbi/message.c library. The flaw can be exploited remotely without requiring user interaction or elevated privileges. The vulnerability has a CVSS 4.0 base score of 5.3 (medium severity) and was publicly disclosed on May 17, 2026. The Open5GS project has not yet responded with an official fix or mitigation guidance.
Potential Impact
Successful exploitation results in denial of service, potentially disrupting the affected Open5GS network function (NRF). This could impair network operations relying on this component. No privilege escalation, data confidentiality, or integrity impacts are indicated. The vulnerability can be triggered remotely, increasing its risk profile.
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 by the Open5GS project, users should monitor official channels for updates. In the meantime, consider limiting exposure of the affected service to untrusted networks if possible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-05-16T10:08:52.495Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a09495aec166c07b07f5c7a
Added to database: 5/17/2026, 4:51:38 AM
Last enriched: 5/17/2026, 5:06:50 AM
Last updated: 5/17/2026, 6:16:46 AM
Views: 6
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