Vulnerability in Open5gs
CVE-2026-8224
A vulnerability was determined in Open5GS up to 2.7.7. Affected by this issue is the function pcf_sess_set_ipv6prefix of the file /src/pcf/context.c of the component PCF. Executing a manipulation of the argument SmPolicyContextData.ipv6AddressPrefix can lead to denial of service. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.009 (57.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.4% 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: 0.009 · change: +0.004
Affected products
- Open5gs
- Open5gs — versions 2.7.0, 2.7.1, 2.7.2
Weakness classification (CWE)
References
- github.com/open5gs/open5gs/ (Product, product)
- github.com/open5gs/open5gs/issues/4439 (issue-tracking, Exploit, exploit, Issue Tracking)
- vuldb.com/submit/808443 (VDB Entry, Third Party Advisory, third-party-advisory)
- vuldb.com/vuln/362441 (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/362441/cti (signature, Permissions Required, permissions-required, VDB Entry)
Frequently asked questions
- What is CVE-2026-8224?
- CVE-2026-8224 is a medium-severity vulnerability in Open5gs, classified under Improper Resource Shutdown or Release. CVSS score: 5.3/10. Published 2026-05-10.
- How severe is CVE-2026-8224?
- Medium severity. CVSS v3 base score is 5.3 out of 10.