Vulnerability in Open5gs
CVE-2026-8291
A weakness has been identified in Open5GS up to 2.7.7. Impacted is the function ogs_nnrf_nfm_handle_nf_profile of the file lib/sbi/nnrf-handler.c of the component NRF. This manipulation causes denial of service. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. The pull request to fix this issue awaits acceptance.
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: 0.007 (50.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.007 · change: +0.003
Affected products
- Open5gs
- Open5gs — versions 2.7.0, 2.7.1, 2.7.2
Weakness classification (CWE)
References
- vuldb.com/vuln/362588 (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/362588/cti (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/submit/808508 (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/open5gs/open5gs/issues/4456 (issue-tracking, Exploit, exploit, Issue Tracking)
- github.com/open5gs/open5gs/pull/4534 (issue-tracking, Exploit, Patch, patch, Issue Tracking)
- github.com/open5gs/open5gs/ (Product, product)
Frequently asked questions
- What is CVE-2026-8291?
- CVE-2026-8291 is a medium-severity vulnerability in Open5gs, classified under Improper Resource Shutdown or Release. CVSS score: 4.3/10. Published 2026-05-11.
- How severe is CVE-2026-8291?
- Medium severity. CVSS v3 base score is 4.3 out of 10.