CVE-2026-2521

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

A weakness has been identified in Open5GS up to 2.7.6. This issue affects the function sgwc_s5c_handle_create_session_response of the component SGW-C. Executing a manipulation can lead to memory corruption. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Feb 15, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2026-2521: Critical severity, CVSS 9.8 | Vulnix