CVE-2026-8288

Medium

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.

SeverityMedium

CVSS4.3

Exploit probability—

ProductOpen5gs

PublishedMay 11, 2026

First seenMay 11, 2026

Weakness typeCWE-404CWE-404

How to fix

Patches

github.com/open5gs/open5gs/pull/4513

Affected products

Product	Affected versions	Fixed in
open5gs open5gs	v ≤ 2.7.7	—

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