Vulnerability in Open5gs
CVE-2026-14618
A vulnerability was detected in Open5GS up to 2.7.7. Affected by this vulnerability is the function amf_nnrf_handle_nf_discover of the file src/amf/nnrf-handler.c of the component AMF. The manipulation results in denial of service. The attack may be launched remotely. The exploit is now public and may be used. The patch is identified as fb5f67703de0213fb9c6e6ef3b48b6c1707e9503. It is best practice to apply a patch to resolve this issue.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.005 (43.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Open5gs — versions 2.7.0, 2.7.1, 2.7.2
Weakness classification (CWE)
References
- VDB-376135 | Open5GS AMF nnrf-handler.c amf_nnrf_handle_nf_discover denial of service (technical-description, vdb-entry)
- VDB-376135 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- CVE-2026-14618 | CVE Analysis and Report (third-party-advisory)
- Submit #844824 | Open5GS 2.7.7 Denial of Service (third-party-advisory)
- github.com/open5gs/open5gs/issues/4517 (issue-tracking, exploit)
- github.com/open5gs/open5gs/issues/4517 (issue-tracking)
- github.com/ferrancanellas/open5gs/commit/fb5f67703de0213fb9c6e6ef3b48b6c1707e95… (patch)
- github.com/open5gs/open5gs/ (product)
Frequently asked questions
- What is CVE-2026-14618?
- CVE-2026-14618 is a medium-severity vulnerability in Open5gs, classified under Improper Resource Shutdown or Release. CVSS score: 4.3/10. Published 2026-07-04.
- How severe is CVE-2026-14618?
- Medium severity. CVSS v3 base score is 4.3 out of 10.