CVE-2026-10156
Open5GS nf-instances Endpoint nnrf-handler.c handle_amf_info resource consumption
- State
- Published
- Severity
- 5.3 Medium
- Published
- May 30, 2026
- Updated
- Jun 1, 2026
- Reserved
- May 30, 2026
Description
A vulnerability was determined in Open5GS up to 2.7.7. This affects the function handle_amf_info in the library /lib/sbi/nnrf-handler.c of the component nf-instances Endpoint. Executing a manipulation of the argument nf_info_pool can lead to resource consumption. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. Applying a patch is advised to resolve this issue. The issue report is flagged as already-fixed.
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:O/RC:C | 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:O/RC:C | VulDB |
| 2.0 | 4.0 Medium | AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
Open5GSn/a |
|
References
- VDB-367409 | Open5GS nf-instances Endpoint nnrf-handler.c handle_amf_info resource consumptionvdb-entrytechnical-description
- VDB-367409 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #818598 | Open5GS NRF v2.7.7 Denial of Servicethird-party-advisory
- https://github.com/open5gs/open5gs/issues/4480exploitissue-tracking
- https://github.com/open5gs/open5gs/product
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