CVE-2026-8289

Medium

Description

A vulnerability was identified in Open5GS up to 2.7.7. This vulnerability affects the function smf_nsmf_handle_update_data_in_vsmf of the file /src/smf/nsmf-handler.c of the component SMF. The manipulation of the argument qosFlowProfile leads to denial of service. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.

SeverityMedium
CVSS4.3
Exploit probability—
ProductOpen5gs
PublishedMay 11, 2026
First seenMay 11, 2026
Weakness typeCWE-404CWE-404

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
open5gs open5gsv ≤ 2.7.7—

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CVE-2026-8289 · Open5gs · Dark Radar