CVE-2026-2521CWE-119

Open5GS SGW-C sgwc_s5c_handle_create_session_response memory corruption

Medium · published February 15, 2026

CVSS v4.0
6.9
EPSS
1%
Percentile
55.0
In the wild
Unconfirmed
What it is

A weakness has been identified in Open5GS up to 2.7.6. This issue affects the function sgwc_s5c_handle_create_session_response of the component SGW-C. Executing a manipulation can lead to memory corruption. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

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
0.00764 · 55.0th percentile
Weakness
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer
Published
2026-02-15T23:02Z
EPSS history
Timeline
  • 15 FEB 23:02Z
    Open5GS SGW-C sgwc_s5c_handle_create_session_response memory corruption
    cvelistv5