CVE-2026-7518

Open5GS AMF SBI Endpoint sdmsubscription-notify amf_namf_callback_handle_sdm_data_change_notify denial of service

State
Published
Severity
5.3 Medium
Published
May 1, 2026
Updated
May 1, 2026
Reserved
Apr 30, 2026

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Description

A flaw has been found in Open5GS up to 2.7.7. This issue affects the function amf_namf_callback_handle_sdm_data_change_notify of the file /namf-callback/v1/{id}/sdmsubscription-notify of the component AMF SBI Endpoint. This manipulation of the argument changeItem.newValue causes denial of service. The attack can be initiated remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Scores

CVSSScoreVectorSource
4.05.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:PVulDB
3.14.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:RVulDB
3.04.3 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:RVulDB
2.04.0 MediumAV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:URVulDB

Weaknesses

Affected Products

ProductVersions
Open5GSn/a
  • 2.7.0Affected
  • 2.7.1Affected
  • 2.7.2Affected
  • 2.7.3Affected
  • 2.7.4Affected
  • 2.7.5Affected
  • 2.7.6Affected
  • 2.7.7Affected

References

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