CVE-2026-1587 MEDIUM

CVE-2026-1587: Open5GS SGWC s11-handler.c sgwc_s11_handle_modify_bearer_request 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 vulnerability has been found in Open5GS up to 2.7.6. The affected element is the function sgwc_s11_handle_modify_bearer_request of the file /sgwc/s11-handler.c of the component SGWC. The manipulation leads to denial of service. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Applying a patch is the recommended action to fix this issue. The issue report is flagged as already-fixed.

Key dates

02Disclosure timeline

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