CVE-2026-2521: Open5GS SGW-C sgwc_s5c_handle_create_session_response memory corruption
A weakness has been identified in Open5GS up to 2.7.6. This issue affects the function sgwcs5chandlecreatesessionresponse 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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-2521?
CVE-2026-2521 is classified as a high severity vulnerability due to the potential for memory corruption.
How do I fix CVE-2026-2521?
To fix CVE-2026-2521, you should upgrade Open5GS to a version later than 2.7.6.
What component is affected by CVE-2026-2521?
CVE-2026-2521 affects the SGW-C component in Open5GS.
Can CVE-2026-2521 be exploited remotely?
Yes, CVE-2026-2521 can potentially be exploited remotely through manipulation of session responses.
What versions of Open5GS are impacted by CVE-2026-2521?
Open5GS versions up to and including 2.7.6 are affected by CVE-2026-2521.