CVE-2026-1522CWE-404

Open5GS SGWC s5c-handler.c sgwc_s5c_handle_modify_bearer_response denial of service

Medium · published January 28, 2026

CVSS v4.0
6.9
EPSS
1%
Percentile
54.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
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
EPSS
0.00738 · 54.0th percentile
Weakness
CWE-404 · Improper Resource Shutdown or Release
Published
2026-01-28T16:32Z
EPSS history
Timeline
  • 28 JAN 16:32Z
    Open5GS SGWC s5c-handler.c sgwc_s5c_handle_modify_bearer_response denial of service
    cvelistv5