CVE-2026-2521

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.

CVSS v3 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

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

Configurations

Configuration 1 (hide)

cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-02-15 23:16

Updated : 2026-06-17 10:31

NVD link : CVE-2026-2521

Mitre link : CVE-2026-2521

CVE.ORG link : CVE-2026-2521

JSON object : View

Products Affected

open5gs

open5gs

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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