CVE-2025-15419 MEDIUM

CVE-2025-15419: Open5GS GTPv2-C Flow s5c-handler.c sgwc_s5c_handle_create_session_response denial of service

Vendor N/A
Product Open5GS
Weakness CWE-404
Published January 2, 2026
Last update February 23, 2026
View on NVD All CVEs

CVSS base score

4.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

A weakness has been identified in Open5GS up to 2.7.6. Affected by this issue is the function sgwc_s5c_handle_create_session_response of the file src/sgwc/s5c-handler.c of the component GTPv2-C Flow Handler. Executing a manipulation can lead to denial of service. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. This patch is called 5aaa09907e7b9e0a326265a5f08d56f54280b5f2. It is advisable to implement a patch to correct this issue.

Key dates

02Disclosure timeline

January 2, 2026 CVE published
February 23, 2026 Record updated