🛡️ CVE-2026-2521
🟡 CVSS 5.3 — Medium ⚠️ Exploit Public CWE-119 NVD
5.3
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

Details

Severity MEDIUM
CVSS Score 5.3
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE CWE-119
Public Exploit ⚠️ Yes
Source NVD
Published 2026-02-15
Updated 2026-06-02
Modified 2026-02-18
Fix URL N/A

Affected Packages

Software From version Fixed in
open5gs 2.7.6

References

Exploit, Issue Tracking, Vendor Advisory https://github.com/open5gs/open5gs/issues/4282
Exploit, Issue Tracking, Vendor Advisory https://github.com/open5gs/open5gs/issues/4282#issue-3807902188
Permissions Required, VDB Entry https://vuldb.com/?ctiid.346109
Third Party Advisory, VDB Entry https://vuldb.com/?id.346109
Third Party Advisory, VDB Entry https://vuldb.com/?submit.738334

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