CVE-2026-1522

A weakness has been identified in Open5GS up to 2.7.6. This vulnerability affects the function sgwc_s5c_handle_modify_bearer_response of the file src/sgwc/s5c-handler.c of the component SGWC. Executing a manipulation can lead to denial of service. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks. This patch is called b19cf6a. Applying a patch is advised to resolve this issue. The issue report is flagged as already-fixed.

Affected products

Open5Gs

open5gs

≤ 2.7.6

Fix

Available

CVSS 3.1

7.5 HIGH

EPSS

0.7% (50th percentile)

Weakness

CWE-404

NVD status

Modified

Published

2026-01-28