EUVD-2026-44343

In Open5GS through version 2.7.7 a pre-authentication heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler may result in subscriber-wide denial of service...

GO-2026-5673 Free5GC AMF has Missing Concurrent NAS SMC Validation During NGAP Handover in github.com/free5gc/amf

Free5GC AMF has Missing Concurrent NAS SMC Validation During NGAP Handover in github.com/free5gc/amf...

CVE-2026-42082

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, the AMF in Free5GC does not enforce the concurrent security procedure rules defined in 3GPP TS 33.501 §6.9.5.1. The AMF does not check for ongoing N2 handover procedures before initiating a NAS Security Mode Command,...

CVE-2026-42082 free5GC: Missing Concurrent NAS SMC Validation During NGAP Handover

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, the AMF in Free5GC does not enforce the concurrent security procedure rules defined in 3GPP TS 33.501 §6.9.5.1. The AMF does not check for ongoing N2 handover procedures before initiating a NAS Security Mode Command,...

CVE-2026-42082

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, the AMF in Free5GC does not enforce the concurrent security procedure rules defined in 3GPP TS 33.501 §6.9.5.1. The AMF does not check for ongoing N2 handover procedures before initiating a NAS Security Mode Command,...

CVE-2026-8289

Technical details (affected software, root cause, impact, and remediation) are not publicly available in the provided documents. Monitor for updates.

CVE-2025-66369

An issue was discovered in MM in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, W920, W930, W1000, Modem 5123, and Modem 5300. Incorrect handling of 5G NR NAS registration accept messages leads to a Denial of Service...

EUVD-2025-209645

An issue was discovered in MM in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, W920, W930, W1000, Modem 5123, Modem 5300, and Modem 5400. Incorrect handling of 5G NR NAS registration accept messages leads to a...

CVE-2025-66369

An issue was discovered in MM in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, W920, W930, W1000, Modem 5123, and Modem 5300. Incorrect handling of 5G NR NAS registration accept messages leads to a Denial of Service...

CVE-2025-66369

An issue was discovered in MM in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, W920, W930, W1000, Modem 5123, and Modem 5300. Incorrect handling of 5G NR NAS registration accept messages leads to a Denial of Service...

EUVD-2026-26699

A vulnerability has been found in Open5GS up to 2.7.7. This vulnerability affects the function amfnsmfpdusessionhandleupdatesmcontext of the file /src/amf/nsmf-handler.c of the component AMF. The manipulation leads to denial of service. It is possible to initiate the attack remotely. The exploit...

CVE-2025-56568

Assertion failure vulnerability in the PCO Protocol Configuration Options parser in the SMF Session Management Function component of Open5GS before v2.7.5 allows remote attackers to cause denial of service via specially crafted NGAP messages containing malformed length fields in protocol...

PT-2026-31331

Name of the Vulnerable Software and Affected Versions OpenAirInterface version 2.2.0 Description A buffer overflow occurs when processing UplinkNASTransport containing an Authentication Response with a NAS PDU of excessive size e.g., 100 bytes. The response is decoded by the AMF and forwarded to...

CVE-2026-33907

Ella Core is a 5G core designed for private networks. Versions prior to 1.7.0 panic when processing Authentication Response and Authentication Failure NAS message missing IEs. An attacker able to send crafted NAS messages to Ella Core can crash the process, causing service disruption for all...

GHSA-9H59-P45G-445H Ella Core has a Denial of Service via SCTP connection cleanup deadlock

Summary A deadlock in the AMF's SCTP notification handler causes the entire AMF control plane to hang until the process is restarted. Impact An attacker with access to the N2 interface can cause Ella Core to hang, resulting in a denial of service for all subscribers. Fix Add deferred Radio cleanu...

CVE-2026-32319

Ella Core is a 5G core designed for private networks. Prior to 1.5.1, Ella Core panics when processing a malformed integrity protected NGAP/NAS message with a length under 7 bytes. An attacker able to send crafted NAS messages to Ella Core can crash the process, causing service disruption for all...

CVE-2026-33283

Ella Core is a 5G core designed for private networks. Versions prior to 1.6.0 panic when processing malformed UL NAS Transport NAS messages without a Request Type. An attacker able to send crafted NAS messages to Ella Core can crash the process, causing service disruption for all connected...

Ella Core panics on invalid PDU Session IDs in NGAP messages

Summary Ella Core panics when processing NGAP messages with invalid PDU Session IDs outside of 1-15. Impact An attacker able to send crafted NGAP messages to Ella Core can crash the process, causing service disruption for all connected subscribers. No authentication is required. Fix Added PDU...

PT-2026-26469

Name of the Vulnerable Software and Affected Versions Ella Core versions prior to 1.6.0 Description Ella Core, a 5G core designed for private networks, experiences a panic when processing improperly formatted UL NAS Transport NAS messages that lack a Request Type. An attacker can exploit this by...

GO-2026-4692 Ella Core vulnerable to Unauthenticated AMF DoS via malformed InitialUEMessage with undersized integrity-protected NAS payload in github.com/ellanetworks/core

Ella Core vulnerable to Unauthenticated AMF DoS via malformed InitialUEMessage with undersized integrity-protected NAS payload in github.com/ellanetworks/core...