Is CVE-2026-8187 actively exploited?

No active exploitation of CVE-2026-8187 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-8187 be exploited remotely?

Yes. CVE-2026-8187 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-8187?

CVE-2026-8187 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2026-8187

CWE-400Published: May 9, 2026· Updated: May 13, 2026

7.5

CVSS v3.1

EPSS:0.02%probability of exploitation in 30 daysPercentile:3.6th

Official Description

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 remote. The project was informed of the problem early through an issue report but has not responded yet.

NVD Source

Technical Analysis

CVE-2026-8187 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.