Vulnerability in Open5gs
CVE-2026-7708
A vulnerability was determined in Open5GS up to 2.7.7. The affected element is the function ogs_dbi_subscription_data in the library /lib/dbi/subscription.c of the component UDR. This manipulation of the argument supi_id causes denial of service. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
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 (38.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.5% 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: 0.005 · change: +0.002
Affected products
- Open5gs — versions 2.7.0, 2.7.1, 2.7.2
Weakness classification (CWE)
References
- vuldb.com/vuln/360884 (technical-description, vdb-entry)
- vuldb.com/vuln/360884/cti (signature, permissions-required)
- vuldb.com/submit/805701 (third-party-advisory)
- github.com/open5gs/open5gs/issues/4412 (issue-tracking, exploit)
- github.com/open5gs/open5gs/ (product)
Frequently asked questions
- What is CVE-2026-7708?
- CVE-2026-7708 is a medium-severity vulnerability in Open5gs, classified under Improper Resource Shutdown or Release. CVSS score: 4.3/10. Published 2026-05-03.
- How severe is CVE-2026-7708?
- Medium severity. CVSS v3 base score is 4.3 out of 10.