CVE-2026-82589
Performing a manipulation of the argument N1N2MessageTransferReqData.n2InfoContainer.smInfo.n2InfoContent.ngapIeType results in denial of service.
Does this matter?
Lower severity and a low EPSS score (0.31%). Track it; it rarely justifies an emergency change on its own.
Description
A security flaw has been discovered in Open5GS up to 2.7.7. Impacted is the function amf_namf_comm_handle_n1_n2_message_transfer of the file src/amf/namf-handler.c of the component N1-N2 Message Handler. Performing a manipulation of the argument N1N2MessageTransferReqData.n2InfoContainer.smInfo.n2InfoContent.ngapIeType results in denial of service. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 2.8.0 is recommended to address this issue. The patch is named abf8a836564b966b5141110fc25ed413c4f17522. It is advisable to upgrade the affected component.
- CVSS 4.0
- 2.1 LOWCVSS: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:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.31% probability · 24th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-404
- Source
- cna@vuldb.com
References
- https://github.com/open5gs/open5gs/
- https://github.com/open5gs/open5gs/commit/abf8a836564b966b5141110fc25ed413c4f17522
- https://github.com/open5gs/open5gs/issues/4396
- https://github.com/open5gs/open5gs/releases/tag/v2.8.0
- https://vuldb.com/cve/CVE-2026-82589
- https://vuldb.com/submit/891892
- https://vuldb.com/vuln/397084
- https://vuldb.com/vuln/397084/cti
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.