CVE-2026-3588 in Dirigera
Summary
by MITRE • 03/09/2026
A server-side request forgery (SSRF) vulnerability in IKEA Dirigera v2.866.4 allows an attacker to exfiltrate private keys by sending a crafted request.
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Analysis
by VulDB Data Team • 05/06/2026
The vulnerability identified as CVE-2026-3588 represents a critical server-side request forgery flaw within the IKEA Dirigera smart home hub software version 2.866.4. This vulnerability falls under the Common Weakness Enumeration category CWE-918, which specifically addresses server-side request forgery conditions where an attacker can manipulate a server into making requests to arbitrary destinations. The IKEA Dirigera system, designed as a central hub for managing smart home devices, presents a particularly concerning attack surface due to its role as a gateway for various IoT devices within residential and commercial environments.
The technical implementation of this SSRF vulnerability stems from insufficient input validation and improper handling of user-supplied data within the system's request processing mechanisms. Attackers can exploit this weakness by crafting malicious requests that bypass normal access controls and direct the vulnerable system to communicate with internal network resources that should otherwise remain inaccessible. The specific exploitation technique leverages the system's failure to properly validate and sanitize URLs or endpoints specified in requests, allowing attackers to manipulate the underlying HTTP client to target internal services or resources. This flaw particularly affects the system's ability to properly isolate external requests from internal network components, creating a pathway for unauthorized information disclosure.
The operational impact of this vulnerability extends far beyond simple data exfiltration, as the ability to extract private keys from the Dirigera system represents a severe compromise of the entire smart home ecosystem. Private key extraction enables attackers to potentially gain full administrative control over the connected IoT devices, allowing for unauthorized device management, data interception, and potential lateral movement within the network. This vulnerability directly impacts the security posture of millions of users who rely on IKEA's smart home infrastructure, as compromised private keys can be used to impersonate legitimate devices and services within the network. The attack vector demonstrates the critical importance of proper input validation in network-facing applications and highlights the risks associated with inadequate security controls in IoT environments.
Mitigation strategies for this vulnerability should focus on implementing comprehensive input validation mechanisms, establishing proper network segmentation, and deploying web application firewalls to monitor and filter suspicious requests. Organizations should enforce strict URL validation and ensure that all external requests are properly sanitized before processing. The implementation of principle of least privilege access controls and regular security audits of network components can significantly reduce the attack surface. Additionally, the affected IKEA Dirigera systems should be updated to patched versions that address the SSRF vulnerability, and network administrators should monitor for unusual outbound connections that might indicate exploitation attempts. This vulnerability aligns with ATT&CK technique T1071.004 for application layer protocol: DNS and T1566.001 for credential access through the potential for unauthorized key extraction and subsequent privilege escalation within the network environment.