CVE-2026-8123: Denial of Service in Open5GS
A vulnerability was determined in Open5GS up to 2.7.7. This impacts the function ogs_sbi_discovery_option_add_snssais in the library /lib/sbi/message.c of the component NSSF. This manipulation causes denial of service. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. 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 function ogs_sbi_discovery_option_add_snssais in the NSSF component's /lib/sbi/message.c file. Manipulating this function can cause a denial of service condition. The attack vector is remote network access with no required privileges or user interaction. The vulnerability has a CVSS 4.0 base score of 5.3, indicating medium severity. Although publicly disclosed, the Open5GS project has not yet issued a response or patch for this issue.
Potential Impact
Successful exploitation results in denial of service, potentially disrupting the availability of the Open5GS network function involved. This could affect network operations relying on the NSSF component. There is no indication of privilege escalation, data confidentiality, or integrity impact. No known exploits are currently observed in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the Open5GS project has not responded or released a fix, users should monitor official Open5GS channels for updates. In the meantime, consider applying network-level protections to restrict access to the vulnerable component and limit exposure to untrusted sources.
CVE-2026-8123: Denial of Service in Open5GS
Description
A vulnerability was determined in Open5GS up to 2.7.7. This impacts the function ogs_sbi_discovery_option_add_snssais in the library /lib/sbi/message.c of the component NSSF. This manipulation causes denial of service. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Open5GS up to version 2.7.7 involves the function ogs_sbi_discovery_option_add_snssais in the NSSF component's /lib/sbi/message.c file. Manipulating this function can cause a denial of service condition. The attack vector is remote network access with no required privileges or user interaction. The vulnerability has a CVSS 4.0 base score of 5.3, indicating medium severity. Although publicly disclosed, the Open5GS project has not yet issued a response or patch for this issue.
Potential Impact
Successful exploitation results in denial of service, potentially disrupting the availability of the Open5GS network function involved. This could affect network operations relying on the NSSF component. There is no indication of privilege escalation, data confidentiality, or integrity impact. No known exploits are currently observed in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the Open5GS project has not responded or released a fix, users should monitor official Open5GS channels for updates. In the meantime, consider applying network-level protections to restrict access to the vulnerable component and limit exposure to untrusted sources.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-05-07T16:57:14.031Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69fd3e19cbff5d86106cade5
Added to database: 5/8/2026, 1:36:25 AM
Last enriched: 5/8/2026, 1:39:51 AM
Last updated: 5/9/2026, 12:32:45 AM
Views: 10
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