Is CVE-2026-8288 actively exploited?

No active exploitation of CVE-2026-8288 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-8288 be exploited remotely?

Yes. CVE-2026-8288 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-8288?

CVE-2026-8288 has a CVSS score of 6.5 (MEDIUM).

HOME VULNERABILITIESCVE-2026-8288

MEDIUM

CVE-2026-8288

CWE-404Published: May 11, 2026· Updated: May 12, 2026

6.5

CVSS v3.1

EPSS:0.06%probability of exploitation in 30 daysPercentile:17.8th

Official Description

A vulnerability was determined in Open5GS up to 2.7.7. This affects the function gsm_handle_pdu_session_modification_qos_flow_descriptions of the file src/smf/gsm-handler.c of the component SMF. Executing a manipulation of the argument n1SmMsg can lead to denial of service. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The pull request to fix this issue awaits acceptance.

NVD Source

Technical Analysis

CVE-2026-8288 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 6.5.