What is CVE-2026-8187?

CVE-2026-8187 is a medium-severity vulnerability in Open5gs, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2026-05-09.

How severe is CVE-2026-8187?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Resource exhaustion in Open5gs

CVE-2026-8187

A flaw has been found in Open5GS up to 2.7.7. This impacts the function _gtpv1_u_recv_cb of the file src/upf/gtp-path.c of the component UPF. Executing a manipulation can lead to resource consumption. The attack may be performed from remot…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.000 (9.8th percentile) — read the EPSS interpretation.

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.

Affected products

Open5gs
N/a Open5gs — versions 2.7.0, 2.7.1, 2.7.2

Weakness classification (CWE)

References

cna@vuldb.com (Product, product)
cna@vuldb.com (issue-tracking, Exploit, Issue Tracking)
cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)

Frequently asked questions

What is CVE-2026-8187?: CVE-2026-8187 is a medium-severity vulnerability in Open5gs, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2026-05-09.
How severe is CVE-2026-8187?: Medium severity. CVSS v3 base score is 5.3 out of 10.