Resource exhaustion in Open5gs
CVE-2026-10156
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.
Vulnerability class: DoS (Denial of Service)
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: 0.003 (18.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Open5gs — versions 2.7.0, 2.7.1, 2.7.2
Weakness classification (CWE)
References
- vuldb.com/vuln/367409 (technical-description, vdb-entry)
- vuldb.com/vuln/367409/cti (signature, permissions-required)
- vuldb.com/submit/818598 (third-party-advisory)
- github.com/open5gs/open5gs/issues/4480 (issue-tracking, exploit)
- github.com/open5gs/open5gs/ (product)
Frequently asked questions
- What is CVE-2026-10156?
- CVE-2026-10156 is a medium-severity vulnerability in Open5gs, classified under Uncontrolled Resource Consumption. CVSS score: 4.3/10. Published 2026-05-31.
- How severe is CVE-2026-10156?
- Medium severity. CVSS v3 base score is 4.3 out of 10.