Open5GS SGW-C sgwc_s5c_handle_create_session_response memory corruption_CVE-2026-2521

6.9 / 10

MEDIUM

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

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.

Basic Information

ID CVE-2026-2521

Source VulDB

Published Feb 15, 2026 at 23:02

Affected Product

Vendor n/a

Product Open5GS

Version 2.7.0

Affected Versions n/a Open5GS 2.7.0
n/a Open5GS 2.7.1
n/a Open5GS 2.7.2
n/a Open5GS 2.7.3
n/a Open5GS 2.7.4
n/a Open5GS 2.7.5
n/a Open5GS 2.7.6

CWE Classification

CWE-119

References

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    "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.",
    "published": "2026-02-15T23:02:07.287Z",
    "modified": "2026-02-15T23:02:07.287Z",
    "type": "cve",
    "title": "Open5GS SGW-C sgwc_s5c_handle_create_session_response memory corruption",
    "source": "VulDB",
    "references": "https://vuldb.com/?id.346109\nhttps://vuldb.com/?ctiid.346109\nhttps://vuldb.com/?submit.738334\nhttps://github.com/open5gs/open5gs/issues/4282\nhttps://github.com/open5gs/open5gs/issues/4282#issue-3807902188\nhttps://github.com/open5gs/open5gs/",
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    "sourceData": "n/a Open5GS 2.7.0\nn/a Open5GS 2.7.1\nn/a Open5GS 2.7.2\nn/a Open5GS 2.7.3\nn/a Open5GS 2.7.4\nn/a Open5GS 2.7.5\nn/a Open5GS 2.7.6",
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    "cvss": {
        "score": 6.9,
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