CVE-2026-1586 MEDIUM

CVE-2026-1586: Open5GS SGWC s11-handler.c ogs_gtp2_f_teid_to_ip denial of service

Vendor N/A
Product Open5GS
Weakness CWE-404
Published January 29, 2026
Last update February 23, 2026
View on NVD All CVEs

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A flaw has been found in Open5GS up to 2.7.5. Impacted is the function ogs_gtp2_f_teid_to_ip of the file /sgwc/s11-handler.c of the component SGWC. Executing a manipulation can lead to denial of service. The attack may be performed from remote. The exploit has been published and may be used. It is advisable to implement a patch to correct this issue. The issue report is flagged as already-fixed.

Key dates

02Disclosure timeline

January 29, 2026 CVE published
February 23, 2026 Record updated