Vulnerability · Published May 30, 2026 · Assigned by VulDB
CVE-2026-10156Open5GS nf-instances Endpoint nnrf-handler.c handle_amf_info resource consumption
Medium 4.3
In plain English
A medium-severity uncontrolled resource consumption in Open5GS. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).
Official 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.
Affected products (as reported)
Weakness: CWE-400, CWE-404 · Vector: 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
References
- VDB-367409 | Open5GS nf-instances Endpoint nnrf-handler.c handle_amf_info resource consumption vdb-entry, technical-description
- VDB-367409 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #818598 | Open5GS NRF v2.7.7 Denial of Service third-party-advisory
- https://github.com/open5gs/open5gs/issues/4480 exploit, issue-tracking
- https://github.com/open5gs/open5gs/ product