CVE-2026-15319 in PicoClaw
Summary
by MITRE • 07/10/2026
A security vulnerability has been detected in Sipeed PicoClaw up to 0.2.9. This affects the function IPAllowlist of the file web/backend/middleware/access_control.go of the component Launcher. Such manipulation leads to improper access controls. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. The name of the patch is 3126. A patch should be applied to remediate this issue.
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Analysis
by VulDB Data Team • 07/10/2026
The security vulnerability identified in Sipeed PicoClaw version 0.2.9 and earlier represents a critical access control flaw within the application's web backend middleware component. This vulnerability specifically targets the IPAllowlist function located in the web/backend/middleware/access_control.go file of the Launcher component, which serves as a fundamental security mechanism for controlling network access to the system. The flaw allows unauthorized remote actors to bypass intended access restrictions, potentially enabling them to gain elevated privileges or access sensitive system resources that should be restricted to authorized users only.
This vulnerability falls under the category of improper access control as defined by CWE-285, which encompasses weaknesses that allow unauthorized users to gain access to resources or perform actions they should not be permitted to execute. The issue is particularly concerning because it affects a core security control mechanism that should enforce network-level restrictions based on IP addresses. When an attacker can manipulate the IPAllowlist function, they effectively undermine the entire network access control strategy, potentially allowing them to establish unauthorized connections from any remote location without proper authentication or authorization.
The operational impact of this vulnerability extends beyond simple privilege escalation as it represents a fundamental breakdown in the application's security architecture. Remote exploitation means that attackers do not require physical access to the system or network to exploit this weakness, making it particularly dangerous in environments where the application might be exposed to untrusted networks. The fact that this exploit has been publicly disclosed and is available for use significantly increases the risk profile, as malicious actors can immediately leverage this knowledge without requiring advanced technical skills or extensive reconnaissance efforts.
The security implications of this vulnerability align with several tactics outlined in the MITRE ATT&CK framework, particularly those related to privilege escalation and initial access. Attackers could potentially use this vulnerability to establish a foothold within the system and then progress through other attack phases such as lateral movement or persistence. The patch identified as 3126 specifically addresses the IPAllowlist function's implementation, suggesting that the fix involves strengthening the validation mechanisms and ensuring proper enforcement of access control policies. Organizations should immediately implement this patch to remediate the vulnerability and restore proper network access controls.
The broader security landscape surrounding this vulnerability highlights the importance of maintaining up-to-date security measures in embedded systems and IoT devices like Sipeed PicoClaw. Given that many such devices operate in environments where physical security may be limited, remote exploitability significantly amplifies the potential damage. Security teams should also consider implementing additional monitoring measures to detect anomalous access patterns that might indicate exploitation attempts, while also reviewing other access control mechanisms within the application to ensure they are not similarly compromised. The vulnerability serves as a reminder of the critical need for thorough security testing and validation of access control implementations in all system components.