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AlienVault OTX Vulnerabilities

AlienVault OTX Malware

A vulnerability has been found in Free5GC SMF up to 4.1.0. Affected by this vulnerability is the function HandlePfcpSessionReportRequest of the file internal/pfcp/handler/handler.go of the component PFCP. The manipulation leads to denial of service. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. To fix this issue, it is recommended to deploy a patch.

CVE-2026-1683 is a vulnerability identified in the Free5GC Session Management Function (SMF) component, specifically affecting versions 4.0 and 4.1.0. The flaw resides in the HandlePfcpSessionReportRequest function within the PFCP (Packet Forwarding Control Protocol) handler code (internal/pfcp/handler/handler.go). By manipulating the input to this function, an attacker can trigger a denial of service (DoS) condition, causing the SMF to crash or become unresponsive. The vulnerability is remotely exploitable without requiring any authentication or user interaction, making it accessible to unauthenticated attackers over the network. The PFCP protocol is critical in 5G core networks for managing user plane sessions, so disruption here can impact the overall network service availability. The vulnerability has been publicly disclosed, increasing the risk of exploitation, although no active exploits have been reported in the wild to date. The CVSS 4.0 base score of 6.9 reflects a medium severity, considering the network attack vector, no privileges or user interaction needed, and limited impact on confidentiality and integrity but significant impact on availability. The lack of a patch link in the provided data suggests that organizations should monitor Free5GC vendor communications closely for official fixes.

Detailed information about CVE-2026-1683: Denial of Service in Free5GC SMF affecting Free5GC SMF. Get real-time updates, technical details, and mitigation strat

CVE-2026-1683: Denial of Service in Free5GC SMF - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2026-1683: Denial of Service in Free5GC SMF

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