CVE-2026-8122
Open5GS NSSF message.c ogs_sbi_discovery_option_add_service_names denial of service
- State
- Published
- Severity
- 5.3 Medium
- Published
- May 8, 2026
- Updated
- May 8, 2026
- Reserved
- May 7, 2026
Description
A vulnerability was found in Open5GS up to 2.7.7. This affects the function ogs_sbi_discovery_option_add_service_names in the library /lib/sbi/message.c of the component NSSF. The manipulation results in denial of service. The attack may be performed from remote. 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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 4.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 4.3 Medium | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 4.0 Medium | AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
- CWE-404 Denial of Service
Affected Products
| Product | Versions |
|---|---|
Open5GSn/a |
|
References
- VDB-361909 | Open5GS NSSF message.c ogs_sbi_discovery_option_add_service_names denial of servicevdb-entrytechnical-description
- VDB-361909 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #808425 | Open5gs NSSF v2.7.7 Denial of Servicethird-party-advisory
- https://github.com/open5gs/open5gs/issues/4435exploitissue-tracking
- https://github.com/open5gs/open5gs/product
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